mc33984 Freescale Semiconductor, Inc, mc33984 Datasheet
mc33984
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... SO SCLK SCLK MCU CS CS HS0 SO SI RST I/O INO I/O IN1 I/O CSNS A/D FSI GND Document Number: MC33984 Rev. 9.0, 1/2007 33984B HIGH-SIDE SWITCH BOTTOM VIEW PNA SUFFIX 98ARL10521D 16-PIN PQFN ORDERING INFORMATION Temperature Device Package Range ( 40°C to 125°C 16 PQFN GND LOAD LOAD ...
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INTERNAL BLOCK DIAGRAM VDD SPI 3.0 MHz SI SCLK FS IN[0:1] RST WAKE I R DWN DWN Programmable Watchdog 310 ms–2500 ms FSI Figure 2. 33984 Simplified Internal Block Diagram 33984 2 INTERNAL BLOCK DIAGRAM V ...
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Figure 3. 33984 Pin Connections (Transparent Top View) Table 1. Pin Definitions Functional descriptions of many of these pins can be found in the Functional Pin Description section beginning on Pin Pin Pin Name Function 1 CSNS Output Output Current ...
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PIN CONNECTIONS Table 1. Pin Definitions (continued) Functional descriptions of many of these pins can be found in the Functional Pin Description section beginning on Pin Pin Pin Name Function 11 SO Output 12 IN1 Input 13 GND Ground 14 ...
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Table 2. Maximum Ratings All voltages are with respect to ground unless otherwise noted. Rating ELECTRICAL RATINGS Operating Voltage Range Steady-State VDD Supply Voltage (1) Input/Output Voltage (1) SO Output Voltage WAKE Input Clamp Current CSNS Input Clamp Current Output ...
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ELECTRICAL CHARACTERISTICS MAXIMUM RATINGS Table 2. Maximum Ratings All voltages are with respect to ground unless otherwise noted. Rating THERMAL RATINGS Operating Temperature Ambient Junction Storage Temperature (5) Thermal Resistance Junction-to-Case Junction-to-Ambient Peak Package Reflow Temperature During Reflow Notes 5. ...
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STATIC ELECTRICAL CHARACTERISTICS Table 3. Static Electrical Characteristics Characteristics noted under conditions 4.5 V ≤ V Typical values noted reflect the approximate parameter mean at T Characteristic POWER INPUT Battery Supply Voltage Range Full Operational VPWR Operating Supply Current Output ...
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ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions 4.5 V ≤ V Typical values noted reflect the approximate parameter mean at T Characteristic POWER OUTPUT ( Output Drain-to-Source ON Resistance I HS[0:1] V ...
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Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions 4.5 V ≤ V Typical values noted reflect the approximate parameter mean at T Characteristic POWER OUTPUT (CONTINUED) Current Sense Ratio (C ) Accuracy SR1 Output Current 5 ...
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ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions 4.5 V ≤ V Typical values noted reflect the approximate parameter mean at T Characteristic Control Interface (13) Input Logic High Voltage (13) Input Logic ...
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DYNAMIC ELECTRICAL CHARACTERISTICS Table 4. Dynamic Electrical Characteristics Characteristics noted under conditions 4.5 V ≤ V Typical values noted reflect the approximate parameter mean at T Characteristic POWER OUTPUT TIMING Output Rising Slow Slew Rate A (DICR ...
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ELECTRICAL CHARACTERISTICS DYNAMIC ELECTRICAL CHARACTERISTICS Table 4. Dynamic Electrical Characteristics (continued) Characteristics noted under conditions 4.5 V ≤ V Typical values noted reflect the approximate parameter mean at T Characteristic POWER OUTPUT TIMING (CONTINUED) Overcurrent Detection Blanking Time (OCLT [1:0]) ...
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Table 4. Dynamic Electrical Characteristics (continued) Characteristics noted under conditions 4.5 V ≤ V Typical values noted reflect the approximate parameter mean at T Characteristic SPI INTERFACE CHARACTERISTICS Recommended Frequency of SPI Operation (24) Required Low State Duration for RST ...
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ELECTRICAL CHARACTERISTICS TIMING DIAGRAMS CS V PWR VPWR V -0.5 V VPWR - 0.5V PWR V -3.5 V VPWR - 3V PWR 0 Tdly (on) DLY(ON) I OCHx Load Current I OCLx I OCH0 I OCH1 ...
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Figure 6 illustrates the overcurrent detection level (Ioclx, Iochx) the device can reach for each overcurrent detection blanking time (tochx, toclx): RSTB RST 0.2 V 0.2 VDD DD TwRSTB t ENBL t WRST TENBL CS CSB 0.2 V 0.7VDD DD ...
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FUNCTIONAL DESCRIPTION FUNCTIONAL PIN DESCRIPTION The 33984 is a dual self-protected 4.0 mΩ silicon switch used to replace electromechanical relays, fuses, and discrete devices in power management applications. The 33984 is designed for harsh environments, and it includes self- recovery ...
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All device configuration registers are reset. SERIAL OUTPUT (SO) This output pin is connected to the SPI Serial Data Input pin of the MCU or to the SI pin of the next device of a daisy ...
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FUNCTIONAL DEVICE OPERATION OPERATIONAL MODES FUNCTIONAL DEVICE OPERATION The 33984 has four operating modes: Sleep, Normal, Fault, and Fail-Safe. Table 5 summarizes details contained in succeeding paragraphs. Table 5. Fail-Safe Operation and Transitions to Other 33984 Modes Mode FS WAKE ...
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FAULT MODE The 33984 indicates the following faults as they occur by driving the pin to Logic [0]: FS • Overtemperature fault • Open load fault • Overcurrent fault (high and low) • Overvoltage and undervoltage fault PROTECTION AND DIAGNOSIS ...
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FUNCTIONAL DEVICE OPERATION GROUND DISCONNECT PROTECTION In the event the 33984 ground is disconnected from load ground, the device protects itself and safely turns OFF the output regardless the state of the output at the time of . Table 7. ...
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SPI PROTOCOL DESCRIPTION The SPI interface has a full duplex, three-wire synchronous data transfer with four I/O lines associated with it: Serial Clock (SCLK), Serial Input (SI), Serial Output (SO), and Chip Select ( CS ). The ...
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FUNCTIONAL DEVICE OPERATION LOGIC COMMANDS AND REGISTERS SCLK Notes 1. is ...
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DEVICE REGISTER ADDRESSING The following section describes the possible register addresses and their impact on device operation. Address x000 — Status Register (STATR) The STATR register is used to read the device status and the various configuration register contents without ...
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FUNCTIONAL DEVICE OPERATION LOGIC COMMANDS AND REGISTERS Address x100 — Direct Input Control Register (DICR) The DICR register is used by the MCU to enable, disable, or configure the direct IN pin control of each output. Each output is independently ...
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SERIAL OUTPUT COMMUNICATION (DEVICE STATUS RETURN DATA) When the pin is pulled low, the output status register is CS loaded. Meanwhile, the data is clocked out MSB- (OD7-) first as the new message data is clocked into the SI pin. ...
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FUNCTIONAL DEVICE OPERATION LOGIC COMMANDS AND REGISTERS Table 16. Fault Register OD7 OD6 OD5 OD4 OD3 s OTF OCHFs OCLFs OLFs OD7 (s) = Selection of output: Logic [0] = HS0, Logic [1] = HS1. OD6 (OTF) = Overtemperature Flag. ...
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... Dual 4mΩ High-Side Switch. This device is a self- protected silicon switch used to replace electromechanical relays, fuses, and discrete circuits in power management applications. The MC33984 features a current recopy which is proportional to the load current. It can be configured between 2 ratios via SPI (CSR0 and CSR1). ...
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OUTPUT CURRENT MONITORING Current Recopy at Vbat=9V/16V from -40°C to 125°C 24000 23000 22000 Max(Data_16V sigmas 10% 21000 20000 Min(Data_16V sigmas 19000 18000 17000 16000 10 15 Output current (A) Figure 12. CSR0 ratio deviation in ...
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SOLDERING INFORMATION The 33984 is packaged in a surface mount power package intended to be soldered directly on the printed circuit board. The 33984 was qualified in accordance with JEDEC standards JESD22-A113-B and J-STD-020A. The recommended reflow conditions are as ...
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PACKAGING PACKAGE DIMENSIONS For the most current revision of the package, visit 33984 30 PACKAGE DIMENSIONS www.freescale.com and perform a keyword search on 98ARL10521D. PNA SUFFIX 16-PIN PQFN NONLEADED PACKAGE 98ARL10521D ISSUE C Analog Integrated Circuit Device Data Freescale Semiconductor ...
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Analog Integrated Circuit Device Data Freescale Semiconductor PACKAGING PACKAGE DIMENSIONS 33984 31 ...
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... THERMAL ADDENDUM (REV 2.0) ADDITIONAL DOCUMENTATION THERMAL ADDENDUM (REV 2.0) Introduction This thermal addendum is provided as a supplement to the MC33984 technical datasheet. The addendum provides thermal performance information that may be critical in the design and development of system applications. All electrical, application, and packaging information is provided in the datasheet. ...
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A Transparent Top View GND 14 VPWR 15 16 HS1 HS0 33984 Pin Connections 16-Pin PQFN 0.90 mm Pitch 12 12.0 mm Body Device on Thermal Test Board ...
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ADDITIONAL DOCUMENTATION THERMAL ADDENDUM (REV 2. 100 10 1 0.1 1.00E-03 1.00E-02 Figure 4. Transient Thermal Resistance R Device on Thermal Test Board Area A = 600 (mm 33984 34 ...
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... REVISION DATE DESCRIPTION OF CHANGES • Implemented Revision History page 2/2006 6.0 • Deletion of MC33984 part number, replaced with MC33984B. • Corrected 5/2006 7.0 • Added final sentence to • Corrected heading labels on • Changed labels in the • Corrected • Added 1/2007 • Added RoHS logo 8.0 • ...
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... Freescale Semiconductor Literature Distribution Center P.O. Box 5405 Denver, Colorado 80217 1-800-441-2447 or 303-675-2140 Fax: 303-675-2150 LDCForFreescaleSemiconductor@hibbertgroup.com MC33984 Rev. 9.0 1/2007 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products. There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the information in this document ...