MAX8934GETI+CAK Maxim Integrated, MAX8934GETI+CAK Datasheet
MAX8934GETI+CAK
Specifications of MAX8934GETI+CAK
Related parts for MAX8934GETI+CAK
MAX8934GETI+CAK Summary of contents
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... Industries Association) Standard, A Guide to the Safe Use of Secondary Lithium Ion Batteries on Notebook–Type Personal Computers, April 20, 2007. Smart Power Selector is a trademark of Maxim Integrated Products, Inc. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. ...
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... 1800 2000 900 1000 450 475 = 5V PEN2 450 475 = 0V PEN2 4.29 4.35 1.5 50 100 5 3 3.3 RMS RMS Continuous = +25NC.) (Note 1) A MAX UNITS 6 4. 1.5 340 FA 0. 2200 1100 500 mA 500 100 6 %/C 3.6 V Maxim Integrated ...
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... L LDO LINEAR REGULATOR LDO Output Voltage LDO Load Regulation BATTERY CHARGER BATT-to-SYS On-Resistance BATT-to-SYS Reverse Regulation Voltage BATT Regulation Voltage—Safety Region 2 Maxim Integrated = 4V, V BATT = -40NC to +85NC, unless otherwise noted. Typical values are CONDITIONS BATT SYS ...
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... BATT 270 300 = 2.5V BATT 130 150 = 2.5V BATT 60 = 1.5V at full 0.9 1 THM_T4 1.5 2 0.003 20 180 = 2.5V BATT 300 15 - +25NC.) (Note 1) A MAX UNITS -65 mV -40 1.5 A 1650 825 330 330 mA 170 1 3 min min s + Maxim Integrated ...
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... Note 2: NC includes external NTC thermistor error THMSW excludes thermistor beta error and external pullup error. NTC thermistor assumed to be 100kI Q1% nominal, part number Vishay NTHS0603N01N1003FF, external pullup resistor = 100kI Q1%. Maxim Integrated = 4V, V BATT = -40NC to +85NC, unless otherwise noted. Typical values are at T ...
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... V BATT BATTERY VOLTAGE (V) CHARGE CURRENT vs. BATTERY VOLTAGE (1A DC) 1200 PEN1 = 1, PEN2 = X 1000 V RISING BATT 800 V FALLING BATT 600 400 200 BATTERY VOLTAGE ( RISING FALLING Maxim Integrated ...
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... V = 4.0V BATT 4.4 THE SLOPE OF THIS LINE 4.3 SHOWS THAT THE BATT-TO-SYS 4.2 RESISTANCE IS 40mI. 4.1 4.0 3.9 3.8 3.7 3.6 0 0.5 1.0 SYS OUTPUT CURRENT (A) Maxim Integrated Typical Operating Characteristics (continued 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative battery current BATT = 5V USB BATT 1.5 2.0 MAX8934G BATTERY REGULATION VOLTAGE vs ...
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... ADAPTER INPUT—1A CHARGE MAX8934G toc18 1.2 1.0 V BAT 0.8 I BAT 0.6 0.4 0 TIME (min) DC CONNECT WITH NO USB (R = 22I) SYS MAX8934G toc20 V BATT 3.6V V SYS 4.35V 3.6V C CHARGING C 1.2A SYS DC CHARGING 160mA 0mA I BATT -1A BATTERY CHARGER SOFT-START 400µs/div Maxim Integrated 14 4.5 4.0 3.5 3.0 2.5 2.0 1.5 80 5V/div 5V/div 1A/div 1A/div ...
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... I USB 0A 4.3V 3.6V V SYS V CHG 3.3V BATTERY CHARGER SOFT-START 160mA I BATT 200µs/div Maxim Integrated Typical Operating Characteristics (continued 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative battery current BATT MAX8934G toc21 5V/div 5V/div 3.6V 1A/div 160mA 1A/div MAX8934G toc23 5V/div 0V 500mA/div 0mA ...
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... BATTERY VOLTAGE 3.5 3.0 2.5 V FALLING BATT 2.0 V RISING BATT 1.5 1.0 0 0.5 1.0 1.5 2.0 2.5 BATTERY VOLTAGE (V) LDO NOISE DENSITY vs. FREQUENCY 900 V BATT 800 I LDO RESISTIVE LOAD 700 600 500 400 300 200 100 0 0.01 0 100 FREQUENCY (kHz) MAX8934G toc31 1V/div 4.075V 200mV/div 200mA/div 3.0 3.5 4.0 = 3.8V, = 10mA 1000 10,000 Maxim Integrated ...
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... THM NORMAL TO THM HOT THRESHOLD DISCHARGE T V THM 0.425V BATT 3.6V V SYS 3.6V 4ms/div Maxim Integrated Typical Operating Characteristics (continued 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative battery current BATT MAX8934G toc32 500mV/div 200mV/div 500mA/div OT MAX8934G toc34 2V/div 2V/div 2V/div 2V/div ...
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... FUNCTION ). PSET to GND. V powers the internal circuitry and provides up to 5mA from ISET to GND programs the fast-charge charge ISET ). The prequal charge current is 20% of the set fast-charge charge ISET Pin Description . See Table 2. Both DC pins must be PSET Maxim Integrated ...
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... Exposed Pad. Connect the exposed pad to GND. Connecting the exposed pad does not remove the — EP requirement for proper ground connections to the appropriate pins. Maxim Integrated MAX8934G Pin Description (continued) FUNCTION and both the input and the ...
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... INPUT AND CHARGER GND EP LDO Li+ BATTERY CHARGER AND SYS LOAD SWITCH CHARGER CURRENT AND VOLTAGE CONTROL THERMISTOR MONITOR (SEE FIGURE 5) CHG CHARGE TERMINATION AND MONITOR CHARGE TIMER SYS SYS ISET BATT BATT T THM THMSW THMEN CHG DONE FLT CT CEN Maxim Integrated ...
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... CHARGE DONE ADAPTER C DC 10FF OFF CHARGE ON 500mA 100mA R 1.5kI C VL 0.1FF C CT 0.068FF THMSW ACTIVE DISABLED 100kI Figure 2. Typical Application Circuit Using Separate DC and USB Connector Maxim Integrated 1 DONE MAX8934G PEN1 4 CEN 6 PEN2 7 PSET PSET 11 ISET R ISET 3kI 8 ...
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... PU 4x 1MI 25 OT OVERTEMPERATURE 28 FLT FAULT OUTPUT 27 USB PWR OK UOK 26 DC PWR OK DOK TO SYS 23 SYSTEM C SYS LOAD SYS 24 10FF 1MI V LDO 22 CHARGE CHG INDICATOR BATT 20 C BATT BATT 21 4.7FF USB 18 USB 19 17 LDO C LDO 1FF USB SUSPEND 12 USUS 1-CELL Li+ Maxim Integrated ...
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... SYS current, where total SYS current is the sum of the system load current and the battery-charging current. SYS is powered from either the DC input pin or the USB input pin. If both the DC and USB sources are connected, DC takes precedence. Maxim Integrated FUNCTION DC filter capacitor USB filter capacitor V ...
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... Circuit) is the sum of the load current at SYS and the bat- tery charging current. The MAX8934G limiter clamps at 4.35V, so input voltages greater than 4.35V can increase power dissipation in the limiter. The MAX8934G input Input Voltage Limiting remains on, the input switch that L Input Overcurrent Protection Thermal Limiting Adaptive Battery Charging Maxim Integrated ...
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... H H unconnected *Charge current cannot exceed the input current limit. Actual charge current may be less than the maximum charge current if the total SYS load exceeds the input current limit. Maxim Integrated ) where V DC SYS When the AC adapter and USB have separate connec- tors, the adapter output connects to DC and the USB source connects to USB ...
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... Charge Enable (CEN) Setting the Charge Current = 2000 x 1.5V/R = 3000V/R ISET value by considering the char- CHGMAX Monitoring the Charge Current = I x 1.5V CHG CHGMAX CHG is the set fast-charge current and I CHGMAX Charge Termination ) is set to 20% of the DONE ISET x R /2000 ISET CHG Maxim Integrated ...
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... Charge DONE Output (DONE) DONE is an open-drain, active-low output that goes low when charging is complete. The charger enters its DONE state 15s after the charge current falls to the Maxim Integrated charge-termination threshold (I in voltage mode. The charger exits the DONE state, and ISET fast-charge resumes, if the battery voltage subsequently drops 104mV input power or CEN is cycled ...
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... Refer to the MAX8934A Evaluation Kit for a suitable PCB layout example. 28-PIN 4mm x 4mm THIN QFN Always-On LDO as it drops below 3.3V. A 1FF ceramic SYS Power Dissipation PCB Layout and Routing MULTILAYER PCB 2285.7mW (derate 28.6mW/NC above +70NC) 35NC/W 3NC/W Maxim Integrated ...
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... Dual-Input Linear Charger, Smart Power Selector with Advanced Battery Temperature Monitoring LDO CHG CHG CHARGER CONTROL OT THERMISTOR MONITOR Figure 5. Thermistor Monitor Details Maxim Integrated SYS LOW-I , ALWAYS-ON 3.3V LDO Q TRACKS SYS WHEN DC AND USB ARE NOT PRESENT, THE BATTERY IS BEING DISCHARGED, AND V P 3.3V. BATT CHG ...
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... MAX8934G Dual-Input Linear Charger, Smart Power Selector with Advanced Battery Temperature Monitoring Figure 6. Safety Region 2: Fast-Charge Currents and Charge Termination Voltages 4.2 4.1 4.075 4 TEMPERATURE (NC 0. TEMPERATURE (NC Maxim Integrated ...
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... CHG = HIGH-Z FLT = HIGH-Z DONE = HIGH > V THM THM THM_OT OVERTEMP OT = LOW Figure 7. Charger State Diagram Maxim Integrated NOT READY UOK AND DOK = HIGH-Z CHG = HIGH-Z FLT = HIGH-Z DONE = HIGH-Z I CHG PREQUAL UOK OR DOK = LOW CHG = LOW FLT = HIGH-Z DONE = HIGH-Z ...
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... Advanced Battery Temperature Monitoring Chip Information PROCESS: BiCMOS 26 Pin Configuration TOP VIEW CHG 22 SYS 23 24 SYS MAX8934G 25 OT DOK 26 UOK 27 28 FLT THIN QFN *EXPOSED PAD THM 13 GND 12 USUS ISET GND 9 * Maxim Integrated ...
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... For the latest package outline information and land patterns www.maximintegrated.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PACKAGE TYPE 28 TQFN-EP Maxim Integrated PACKAGE CODE OUTLINE NO. T2844+1 MAX8934G Package Information LAND PATTERN NO ...
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... For the latest package outline information and land patterns www.maximintegrated.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. 28 Package Information (continued) Maxim Integrated ...
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... Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed ...