MAX16047ACB+ Maxim Integrated Products, MAX16047ACB+ Datasheet
MAX16047ACB+
Specifications of MAX16047ACB+
Related parts for MAX16047ACB+
MAX16047ACB+ Summary of contents
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... SMBus is a trademark of Intel Corp. Selector Guide and Pin Configurations appear at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. o Operate from 3V to 14V ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers V SUPPLY OUT IN DC-DC EN GND OUT IN DC-DC EN GND OUT IN DC-DC EN GND 2 _______________________________________________________________________________________ Typical Operating Circuit 10μF MON1 V CC EN_OUT1 SCL MON2–MON11 SDA MAX16047A RESET ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers ABSOLUTE MAXIMUM RATINGS V to GND ....................……………………………-0.3V to +15V CC EN, MON_, SCL, SDA GND ...........................-0.3V to +6V GPIO_, EN_OUT7–EN_OUT12, RESET (configured as open drain) to GND.......................-0.3V to +6V EN_OUT1–EN_OUT6 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers ELECTRICAL CHARACTERISTICS (continued 14V -40°C to +85°C, unless otherwise specified. Typical values are PARAMETER SYMBOL ADC MON_ Ranges ADC ADC LSB Step ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers ELECTRICAL CHARACTERISTICS (continued 14V -40°C to +85°C, unless otherwise specified. Typical values are PARAMETER SYMBOL OUTPUTS (EN_OUT_, RESET, GPIO_) Output-Voltage Low Output-Voltage ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers ELECTRICAL CHARACTERISTICS (continued 14V -40°C to +85°C, unless otherwise specified. Typical values are PARAMETER SYMBOL JTAG INTERFACE TDI, TMS, TCK Logic-Low Input ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers SDA t SU:DAT t LOW SCL t HIGH t HD:STA START CONDITION 2 Figure 1. I C/SMBus Timing Diagram TCK TDI, TMS TDO Figure ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers (V = 3.3V +25°C, unless otherwise noted SUPPLY CURRENT CC vs. V SUPPLY VOLTAGE CC 4 +85°C A 3.5 3 +25°C A 2.5 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers (V = 3.3V +25°C, unless otherwise noted OUTPUT-VOLTAGE HIGH vs. SOURCE CURRENT (CHARGE-PUMP OUTPUT ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers (V = 3.3V +25°C, unless otherwise noted MIXED MODE INS4 INS3 INS2 INS1 20ms/div ADC INL 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1.0 0 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PIN NAME MAX16047 MAX16049 1–8 1–8 MON1–MON8 9–12 — MON9–MON12 RESET SCL 16 16 SDA 17 17 TMS 18 18 TDI 19 19 TCK 20 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PIN NAME MAX16047 MAX16049 37 37 ABP DBP 41 41 GPIO1 42 42 GPIO2 43 43 GPIO3 44 44 GPIO4 EN_OUT1– 45–50 45–50 EN_OUT6 EN_OUT7– 51, ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers MAX16047 MAX16049 EN V TH_EN NONVOLATILE FAULT EVENT LOGGER MON1– VOLTAGE 10-BIT MON12 SCALING ADC (SAR) (MON1– AND MUX MON8) EEPROM REGISTERS GND ( ) MAX16049 ONLY. ______________________________________________________________________________________ V CC DIGITAL COMPARATORS ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Note: This data sheet uses a specific convention for referring to bits within a particular address location example, r0Fh[3:0] refers to bit 3 through 0 in register with address 15 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Detailed Description The MAX16047 is capable of managing up to twelve system voltages simultaneously, and the MAX16049 can manage up to eight system voltages. After boot- up high and ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers To initiate sequencing/tracking and enable monitoring, the voltage at EN must be above 0.525V and the Software Enable bit in r4Dh[0] must be set to ‘0.’ To power down and disable monitoring, ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 2. Input Monitor Ranges and Enables REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] [3:2] 0Fh [5:4] [7:6] [1:0] [3:2] 10h [5:4] [7:6] ______________________________________________________________________________________ DESCRIPTION MON1 Voltage Range Selection From 0 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 2. Input Monitor Ranges and Enables (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] [3:2] 11h [5:4] [7:6] * MAX16047 only 18 ______________________________________________________________________________________ DESCRIPTION MON9 Voltage Range Selection From 0 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The extended memory page contains the ADC conver- sion result registers (see Table 3). These registers are also used internally for fault threshold comparison. Voltage-monitoring thresholds are compared with the 8 MSBs ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers General-Purpose Inputs/Outputs GPIO1–GPIO6 are programmable general-purpose inputs/outputs. GPIO1–GPIO6 are configurable as a manual reset input, a margin disable input, a watchdog timer input and output, logic inputs/outputs, fault- Table 4. General-Purpose IO ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Voltage Tracking Sense (INS_) Inputs GPIO1–GPIO4 are configurable as feedback sense return inputs (INS_) for closed-loop tracking. Connect the gate of an external n-channel MOSFET to each EN_OUT_ configured for closed-loop tracking. ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers GPIO1–GPIO4 are configurable as active-low push-pull or open-drain fault-dependent outputs. These outputs assert when any monitored input exceeds an overvolt- age, undervoltage, or early warning threshold. FAULT1 and FAULT2 GPIO5 and GPIO6 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 7. FAULT1 and FAULT2 Output Configuration and Dependencies (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [0] [1] [2] [3] [4] 18h [5] [6] [7] * MAX16047 only Fault-On Power-Up (FAULTPU) GPIO6 indicates ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 8. EN_OUT1–EN_OUT12 Configuration REGISTER/ EEPROM BIT RANGE ADDRESS EN_OUT1 Configuration: 000 = EN_OUT1 is an open-drain active-low output 001 = EN_OUT1 is an open-drain active-high output 010 = EN_OUT1 is a ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 8. EN_OUT1–EN_OUT12 Configuration (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [0] EN_OUT3 Configuration (MSB)—see r1Fh[7:6] EN_OUT4 Configuration: 000 = EN_OUT4 is an open-drain active-low output 001 = EN_OUT4 is an open-drain active-high ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 8. EN_OUT1–EN_OUT12 Configuration (continued) REGISTER/ EEPROM BIT RANGE ADDRESS EN_OUT10 Configuration EN_OUT10 is an open-drain active-low output [1: EN_OUT10 is an open-drain active-high output 10 = EN_OUT10 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers MAX16047 fig03 20ms/div Figure 3. RESET and EN_OUT_ During Power-Up, EN_OUT_ Is in Open-Drain Active-Low Configuration Each EN_OUT_ has one or more associated MON_ inputs, facilitating the voltage monitoring of multiple power ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers After any MON_ inputs assigned to Slot 12 exceed their undervoltage thresholds, the reset timeout begins. When the reset timeout completes, RESET deasserts. The reset timeout period is set in r19h[6:4]. See ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 10. MON_ Slot Assignment CONFIGURATION BITS 0000 MON_ is not assigned to a slot 0001 MON_ is assigned to Slot 1 0010 MON_ is assigned to Slot 2 0011 MON_ is ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 12. Sequence Delays and Fault Recovery REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] [3:2] 4Eh [4] [5] [6] [7] [2:0] [3] 4Fh [5:4] [7:6] 30 ______________________________________________________________________________________ DESCRIPTION Power-Up Fault Timeout 00 = ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 12. Sequence Delays and Fault Recovery (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [2:0] 50h [5:3] [7:6] [0] [3:1] 51h [6:4] [7] [1:0] 52h [4:2] [7:5] [2:0] 53h [5:3] [7:6] [0] [3:1] ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Closed-Loop Tracking The MAX16047/MAX16049 track up to four voltages during any time slot except Slot 0 and Slot 12. Configure GPIO1–GPIO4 as sense line inputs (INS_) to monitor tracking voltages. Configure GPIO6 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The MAX16047/MAX16049 include selectable internal 100Ω pulldown resistors to ensure that tracked voltages are not held high by large external capacitors during a fault event. The pulldowns help to ensure that monitored ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The MAX16047/MAX16049 monitor the input (MON_) channels and compare the results with an overvoltage threshold, an undervoltage threshold, and a selectable overvoltage or undervoltage early warning threshold. Based on these conditions, the ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Fault conditions are detected at the end of each con- version. If the voltage on an input falls outside a moni- tored threshold for one acquisition, the input multiplexer remains on that ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 17. Critical Fault Configuration and Enable Bits REGISTER/ EEPROM BIT RANGE ADDRESS [1:0] 47h [7:2] [0] [1] [2] [3] 48h [4] [5] [6] [7] [0] [1] [2] [3] 49h [4] [5] ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 17. Critical Fault Configuration and Enable Bits (continued) REGISTER/ EEPROM BIT RANGE ADDRESS [0] [1] 4Ch [2] [3] [7:4] * MAX16047 only Table 18. Fault Log EEPROM EEPROM BIT RANGE ADDRESS ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Power-Up/Power-Down Faults All EN_OUTs are deasserted if an overvoltage or under- voltage fault is detected during power-up/power-down (regardless of the critical fault enable bits). Under these conditions, information of the failing slot ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 20. EEPROM Fault Log Operation Period FAULT CONTROL REGISTER r47h[1:0] 00 Failed lines and ADC values saved 01 Failed lines saved 10 ADC values saved 11 No information saved The reset ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 21 . RESET Configuration and Dependencies (continued) REGISTER/ EEPROM BIT RANGE ADDRESS RESET DEPENDENCIES [ RESET is dependent on MON1 1 = RESET is dependent on MON2 [1] 1 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers LAST MON_ WDI RESET Figure 6. Normal Watchdog Startup Sequence V CC < t WDI WDI < t < t WDI WDI WDO 0V Figure 7. Watchdog Timer Operation ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 22. Watchdog Mode Selection REGISTER/ EEPROM BIT RANGE ADDRESS 0 1 4Dh 2 3 [7:4] Table 23. Watchdog Enables and Configuration REGISTER/ EEPROM BIT RANGE ADDRESS [2:0] [4:3] 55h [5] [6] ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Independent Watchdog Timer Operation When r4Dh[3] is ‘1,’ the watchdog timer operates in the independent mode. In the independent mode, the watchdog timer operates were a separate chip. The ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers 2 I C/SMBus-Compatible The MAX16047/MAX16049 feature an I patible 2-wire serial interface consisting of a serial data line (SDA) and a serial clock line (SCL). SDA and SCL facilitate bidirectional communication between ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The acknowledge bit (ACK) is the 9th bit attached to any 8-bit data word. The receiving device always gen- erates an ACK. The MAX16047/MAX16049 generate an ACK when receiving an address or ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The send byte protocol allows the master device to send one byte of data to the slave device (see Figure 12). The send byte presets a register pointer address for a subsequent ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers The MAX16047/MAX16049 use eight command codes for block read, block write, and other commands. See Table 26 for a list of command codes. To initiate a software reboot, send 96h using the ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers 8) The slave asserts an ACK on SDA. 9) The slave sends the 8-bit byte count (16). 10) The master asserts an ACK on SDA. 11) The slave sends 8 bits of ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers JTAG Serial Interface The MAX16047/MAX16049 contain a JTAG port that complies with a subset of the IEEE 2 tion. Either the the JTAG interface may be used to access ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Test Access Port (TAP) Controller State Machine The TAP controller is a finite state machine that responds to the logic level at TMS on the rising edge of TCK. See Figure 14 ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Shift-DR: The test data register selected by the current instruction connects between TDI and TDO and shifts data one stage toward its serial output on each rising edge of TCK while TMS ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers Table 27. JTAG Instruction Set INSTRUCTION HEX CODE BYPASS 1Fh IDCODE 00h USERCODE 03h LOAD ADDRESS 04h READ DATA 05h WRITE DATA 06h REBOOT 07h SAVE 08h SETEXTRAM 09h RSTEXTRAM 0Ah SETEEPADD ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers LOAD ADDRESS: This is an extension to the standard IEEE 1149.1 instruction set to support access to the memory in the MAX16047/MAX16049. When the LOAD ADDRESS instruction latches into the instruction regis- ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers MAX16047 MAX16049 GND Figure 15. Power Circuit for Shutdown During Fault Conditions Maintain power for shutdown during fault conditions in applications where the always-on power supply cannot ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers MON_ EN_OUT_ MAX16047 MAX16049 Figure 17. Connection for a p-Channel Series-Pass MOSFET Table 31. Recommended MOSFETs MANUFACTURER PART FDC633N FDP8030L FDB8030L Fairchild FDD6672A FDS8876 Si7136DP Si4872DY Vishay ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PAGE ADDRESS Ext 00h Ext 01h Ext 02h Ext 03h Ext 04h Ext 05h Ext 06h Ext 07h Ext 08h Ext 09h Ext 0Ah Ext 0Bh Ext 0Ch Ext 0Dh Ext 0Eh ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PAGE ADDRESS EEPROM 0Ah EEPROM 0Bh EEPROM 0Ch EEPROM 0Dh EEPROM 0Eh Def/EE 0Fh Def/EE 10h Def/EE 11h Def/EE 12h–14h Def/EE 15h Def/EE 16h Def/EE 17h Def/EE 18h Def/EE 19h Def/EE 1Ah ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PAGE ADDRESS Def/EE 34h Def/EE 35h Def/EE 36h Def/EE 37h Def/EE 38h Def/EE 39h Def/EE 3Ah Def/EE 3Bh Def/EE 3Ch Def/EE 3Dh Def/EE 3Eh Def/EE 3Fh Def/EE 40h Def/EE 41h Def/EE 42h ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers PAGE ADDRESS Def/EE 5Bh Def/EE 5Ch Def/EE 5Dh Def/EE 5Eh Def/EE 5Fh Def/EE 60h Def/EE 61h Def/EE 62h Def/EE 63h Def/EE 64h Def/EE 65h Def/EE 66h–93h EEPROM 9Ch–FFh * MAX16047 only Note: ...
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EEPROM-Programmable System Managers with Nonvolatile Fault Registers TOP VIEW MON1 MON2 MON3 MON4 MON5 MON6 MON7 MON8 MON9 MON10 MON11 MON12 RESET A0 MON1 MON2 MON3 MON4 MON5 MON6 MON7 MON8 N.C. N.C. N.C. N.C. RESET A0 60 ______________________________________________________________________________________ ...
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