MAX1757EAI+ Maxim Integrated Products, MAX1757EAI+ Datasheet
MAX1757EAI+
Specifications of MAX1757EAI+
Related parts for MAX1757EAI+
MAX1757EAI+ Summary of contents
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... TIMER2 13 16 FAULT 14 15 SSOP ________________________________________________________________ Maxim Integrated Products For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. Stand-Alone, Switch-Mode o Stand-Alone Charger for Li+ Batteries o ±0.8% Battery Regulation Voltage Accuracy o Low-Dropout 98% Duty Cycle o Safely Precharges Near-Dead Cells o Continuous Voltage and Temperature Monitoring o 0.1µ ...
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Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 14V Switch ABSOLUTE MAXIMUM RATINGS BATT, CS, DCIN, CSSP, CSSN, HSD to GND ........-0.3V to +15V CSSP to CSSN.......................................................-0.6V to +0.6V BST to GND ............................................................-0.3V to +21V BST to LX..................................................................-0.3V to +6V LX ...
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Li+ Battery Charger with Internal 14V Switch ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure DCIN HSD 10kΩ, T ISETIN ISETOUT REF THM PARAMETER SYMBOL SWITCHING REGULATOR CS ...
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Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 14V Switch ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure DCIN HSD CSSP 10kΩ, T ISETIN ISETOUT REF THM PARAMETER SYMBOL ...
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Li+ Battery Charger with Internal 14V Switch ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure DCIN HSD 10kΩ, T ISETIN ISETOUT REF THM PARAMETER SYMBOL CONTROL INPUTS/OUTPUTS FASTCHG, ...
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Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 14V Switch ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure DCIN HSD CSSP 10kΩ, T ISETIN ISETOUT REF THM PARAMETER SYMBOL ...
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Li+ Battery Charger with Internal 14V Switch (Circuit of Figure 12V, V SHDN DCIN unless otherwise noted.) BATTERY VOLTAGE vs. CHARGING CURRENT 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0 0.2 0.4 0.6 0.8 ...
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Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 14V Switch PIN NAME Chip Power Supply. Output of the 5.4V linear regulator from DCIN. Bypass VL to GND with 2.2µF or larger 1 VL ceramic capacitor. Input Current Limit Adjust. Use a ...
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Li+ Battery Charger with Internal 14V Switch MBR5340 INPUT D1 D2 SUPPLY 1µ 0.1µF 10k C17 1nF FULL CHARGE FAST CHARGE FAULT Figure 1. Typical Application Circuit General Description The MAX1757 includes all ...
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Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 14V Switch Table 1. Charging State Table STATE From initial power on From done state if battery voltage < recharge voltage threshold Reset DCIN BATT V > battery overvoltage threshold ...
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Li+ Battery Charger with Internal 14V Switch The MAX1757 includes a state machine that controls the charging algorithm. Figure 4 shows the state dia- gram. Table 1 is the charging state table. When power is applied, or SHDN input is ...
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Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 14V Switch CSS CSSP LEVEL SHIFT AND GAIN OF 10 CSSN ON CSI CS LEVEL SHIFT AND RCS GAIN OF 7 BATT ON ISETIN +1 3Rx Rx ISETOUT +1 3Rx Rx TO BDIV ...
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Li+ Battery Charger with Internal 14V Switch V < UNDERVOLTAGE BATT THRESHOLD V DCIN FASTCHG = LOW FULLCHG = HIGH FAULT = HIGH TEMP NOT OK TEMP QUAL TEMP NOT OK Figure 4. State Diagram When choosing the current-sense resistor, ...
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Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 14V Switch cient voltage to fully drive the MOSFET gate even when its source is near the input voltage. The MAX1757 includes safety timers to terminate charging and to ensure that faulty batteries ...
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Li+ Battery Charger with Internal 14V Switch CELL is the programming input for selecting cell count N. Table 2 shows how CELL is connected to charge cells. Setting the Charging Current Limit A resistor-divider from REF ...
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Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 14V Switch capacitance and ESR rating of the capacitor are impor- tant for its effectiveness as a filter and to ensure stabili the PWM circuit. The minimum output capacitance for stability ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2000 Maxim Integrated Products ...