Electronicdesign 2426 Xl 02 Maxim 3 1
Electronicdesign 2426 Xl 02 Maxim 3 1
Electronicdesign 2426 Xl 02 Maxim 3 1
Electronicdesign 2426 Xl 02 Maxim 3 1
Electronicdesign 2426 Xl 02 Maxim 3 1

Battery Charger Includes GSM Test Mode

March 26, 2010
The MAX8922L 30V battery charger offers a GSM test mode to facilitate production-line testing and calibration of cell phones with Micro-USB connectors

The MAX8922L 30V battery charger offers a GSM test mode to facilitate production-line testing and calibration of cell phones with Micro-USB connectors. The device includes a 4.94V LDO output to power the low-voltage Vbus input. Fast-charge current and top-off current thresholds are configurable using an external resistor. The AX8922L also allows the fast-charge current and GSM test mode to be programmed through a single-wire interface. The charger status and valid input power are indicated by two open-drain outputs. Available in a 10-pin TDFN package measuring 3 mm x 2 mm, price starts at $1.60 each/1,000. MAXIM INTEGRATED PRODUCTS, Sunnyvale, CA. (800) 998-8800.

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