參數(shù)資料
型號： Q2406B
廠商： Electronic Theatre Controls, Inc.
英文描述： SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE
中文描述： 自成一體的位置的GSM / GPRS或850/1900畢帶模塊900/1800
文件頁數(shù)： 36/81頁
文件大小： 922K
代理商： Q2406B
WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
confidential
Page :
36 / 81
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à
des tiers sans son autorisation préalable.
Operating conditions
Parameter
Condition
Min
Max
Unit
V
OL
Imoy = 40mA
0.6
V
I
PEAK
VBATT = VBATTmax
80
mA
I
AVERAGE
VBATT = VBATTmax
40
mA
2.13
Battery charging interface
The WISMO Quik Q24x6 Series module supports one battery charging circuit
for Li-Ion batteries. This circuit uses an interface which consists of a current
source inputs (CHG_IN) where the constant current has to flow in order to
charge the battery. This current value depends on the battery capacity. It is
recommended to provide a current equal to the value of the capacity plus
50mA. For a 550mA battery the current will be 600mA. The maximum current
is 800mA.
A specific AT command (AT+WBCM), available from 4.3 level, allows to
manage the charge battery (start and stop the charge, enable or disable
unsolicited Battery Charge Indications and set the battery charge parameters).
The WISMO Quik Q24x6 Series module monitors the battery voltage to detect
the end of the charge. WISMO Quik Q24x6 Series also monitors the
temperature of the battery through the BAT_TEMP pin which has to be
connected to a temperature sensor inside the battery (a NTC resistor for
instance).
Pin description
Signal
Pin number
I/O
I/O type
Description
CHG_IN
1, 2, 4
I
Analog
Current source
input
BAT_TEMP
38
I
Analog
A/D converter
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