User's Manual

Table Of Contents

TECHNICAL MANUAL

Telit GM862-GPS

Quad Band GPS Data Terminal Module

Pag.9 of 79

Rev. 0

3.1.3 Embodied Battery charger

The battery charger is suited for 3.7V Li-Ion rechargeable battery (suggested capacity 500-

1000mAh). The Charger needs only a CURRENT LIMITED power source input and

charges the battery directly through VBATT connector pins.

• Battery charger input pin: CHARGE

• Battery pins: VBATT, GND

• Battery charger input voltage min: 5.0 V

• Battery charger input voltage typ: 5.5 V

• Battery charger input voltage max: 7.0 V

• Battery charger input current max: 400mA

• Battery type: Rechargeable Li-Ion

NOTE: If embodied battery charger is used, then a LOW ESR capacitor of at least 100μF

must be mounted in parallel to VBATT lines.

NOTE: when power is supplied to the CHARGE lines, a battery must always be connected

to the VBATT pin of the module.