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参数资料
| 型号： | MAX8922LETB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/15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
ABSOLUTE MAXIMUM RATINGS
IN to GND ..............................................................-0.3V to +30V
BAT, CHG , EN /SET, POK , SETI,
MIN, LDO, TEST to GND ......................................-0.3V to +6V
IN to BAT Continuous Current .......................................1A RMS
Continuous Power Dissipation (T A = +70°C)
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature Range ............................-40°C to +150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
10-Pin (3mm x 2mm) TDFN
(derate 14.9mW/°C above +70°C) ..........................1188.7mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V IN = 5V, V BAT = 4V, V EN /SET = 0V, T A = -40°C to +85°C, typical values are at T A = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN
Input Voltage Range
0
28
V
Input Voltage Operating Range
(Note 2)
4.45
7
V
Input Undervoltage Threshold
(UVLO)
Input Overvoltage Threshold
(OVP)
V IN rising, 500mV hysteresis (typ)
V IN rising, 200mV hysteresis (typ)
3.80
7.2
3.90
7.5
4.00
7.8
V
V
I BAT = 0mA, charge mode
700
1300
Input Supply Current
V EN /SET = 5V, standby mode
250
440
μA
V IN = V BAT , shutdown mode
200
IN-to-BAT On-Resistance
V IN = 4.15V, V BAT = 4V
0.35
Ω
IN-to-BAT Comparator Threshold
V IN rising
V IN falling
120
250
100
500
mV
BAT
BAT Regulation Voltage
I BAT = 100mA
T A = +25°C
T A = -40°C to +85°C
4.179
4.158
4.2
4.2
4.221
4.242
V
Battery Removal Detection
Threshold
V BAT rising
Hysteresis
4.67
0.2
V
Default fast-charge current, V BAT = 3.5V
365
400
435
Charging Current
EN /SET = one pulse with low > 4ms, R SETI = 3k Ω ,
one-pulse mode, V BAT = 3.5V
EN /SET = two pulses with low > 4ms, V BAT = 3.5V
460
80
500
90
540
100
mA
EN /SET = three pulses with low > 4ms,
V BAT = 3.5V (Note 3)
2350
Soft-Start Time
BAT Precharge Threshold
Precharge Current
Ramp time to fast-charge current
V BAT rising, 300mV hysteresis (typ)
250
2.5
80
μs
V
mA
BAT Leakage Current
V IN = 0V, V BAT = 4.2V
1
5
μA
2
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