参数资料
型号: MAX8922LETB+T
厂商: Maxim Integrated Products
文件页数: 4/15页
文件大小: 0K
描述: IC BATTERY CHARGER SGL 10TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 0 V ~ 28 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-TDFN EP(3x2)
包装: 带卷 (TR)
30V Li+ Linear Battery Charger
with GSM Test Mode in 3mm x 2mm TDFN
Typical Operating Characteristics
(V IN = 5V, V EN /SET = 0V. V BAT = 4V, MAX8922L Evaluation Kit. T A = +25°C, unless otherwise noted.)
1.0
0.9
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
1.0
0.9
DISABLED SUPPLY CURRENT vs.
SUPPLY VOLTAGE
600
CHARGE CURRENT vs.
BATTERY VOLTAGE
500mA SETI MODE
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
500
400
300
200
100
0
400mA PRESET
90mA PRESET
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
500
SUPPLY VOLTAGE (V)
CHARGE CURRENT vs.
SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
CHARGE CURRENT WITH ONE
EN/SET PULSE
MAX8922 toc05
BATTERY VOLTAGE (V)
CHARGE CURRENT WITH TWO
EN/SET PULSES
MAX8922 toc06
450
400mA DEFAULT
V BAT = 4V
5V/div
5V/div
400
350
V EN/SET
0
V EN/SET
0
300
500mA
250
200
150
100
50
400mA
100mA/div
400mA
100mA/div
0
I BAT
0
I BAT
0
0
3
6
9
12 15 18 21 24 27 30
1ms/div
1ms/div
SUPPLY VOLTAGE (V)
CHARGE CURRENT vs.
GSM TRANSIENT RESPONSE
MAX8922 toc07
NO BATTERY
C BAT = 68μF
800
700
INPUT VOLTAGE HEADROOM
V BAT
I BAT
200mv/div
AC-COUPLED
1A/div
600
500
400
300
200
0A
100
0
I FAST-CHARGE = 677mA
1ms/div
0
50
100
150
200
250
300
V IN - V BAT (mV)
4
_______________________________________________________________________________________
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