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9 power consumption, 10 embodied battery charger, 11 user interface – Rainbow Electronics GC864-PY User Manual

Page 14

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Telit GE864 and GC864 Product Description

80273ST10008a Rev. 14 - 18/09/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 14 of 62

NOTE: Operating voltage range must never be exceeded; care must be taken in order to fulfill
min/max voltage requirements.

2.9 Power consumption


The typical current consumption of the

Telit GE864

and

GC864

are:

Power off current (typical)

< 26

μA;

Stand–by current (GSM Idle)

< 22 mA (< 4 mA using command AT+CFUN=5)

Operating current in voice channel

<200 mA @ worst network conditions

Operating current in GPRS class 10 < 370 mA @ worst network conditions

2.10 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

Li-Ion rechargeable


NOTE: If embodied battery charger is used, then a LOW ESR capacitor of at least 100μF must be
mounted in parallel to VBATT pin.
NOTE: when power is supplied to the CHARGE pin, a battery must always be connected to the
VBATT pin of the GE864 / GC864.

2.11 User Interface