1.6MHz Battery Chargers Select 2-, 3-, or 4-Cell with 4.2V/Cell, SGM41526 Replace BQ24133.
FEATURES

 4A Synchronous 1.6MHz PWM Charger

 Up to 95.2% Charge Efficiency

 30V Absolute Maximum Input Voltage Rating

 4.5V to 22V Input Operating Voltage Range

 Dynamic Power Management (DPM)

 Select 2-, 3-, or 4-Cell with 4.2V/Cell

 Less than 18μA Battery Current (No Adapter)

 Less than 1.3mA Input Current (Charge Disabled)

 Safety

- Thermal Regulation, Thermal Shutdown

- Battery Thermistor Sense Hot/Cold Charge Suspend

- Input Under-Voltage Lockout (UVLO)

- Input Over-Voltage (ACOV) Protection

PIN CONFIGUTION
CROSS
BQ24133 BQ24133.pdf

No.10038

FEATURES

• 1.6-MHz Synchronous Switched-Mode Charger

• Up to 92% Efficiency

• 30V Input Rating With Adjustable OvervoltageProtection

• 1-Cell, 2-Cell, or 3-Cell With 4.2 V/Cell

• High Integration

– Automatic Power Path Selector Between 

• Adapter and Battery

– Integrated 20-V Switching MOSFETs 

– Integrated Bootstrap Diode

– Internal Digital Soft Start

• Safety

– Thermal Shutdown

– Cycle-by-Cycle Current Limit

PIN CONFIGUTION
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