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| 型号： | MAX1538ETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/22页 |
| 文件大小： | 0K |
| 描述： | IC PWR SOURCE SELECTOR 28-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 双电池控制器 |
| 电池化学： | 所有电池类型 |
| 电源电压： | 4.75 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
Power-Source Selector for
Dual-Battery Systems
ABSOLUTE MAXIMUM RATINGS
V EXTLD , V BATSUP , V ADPIN , V BATA , V BATB ,
V CHGIN to GND .................................................-0.3V to +30V
V ADPPWR to GND...................................-0.3V to (V ADPIN + 0.3V)
V REVBLK , V ADPBLK to GND ...................-0.3V to (V EXTLD + 0.3V)
V CHGA , V CHGB, V DISBAT to GND ..........-0.3V to (V CHGIN + 0.3V)
V DISA to GND..........................................-0.3V to (V BATA + 0.3V)
V DISB to GND..........................................-0.3V to (V BATB + 0.3V)
V DD , V CHRG , V BATSEL , V RELRN , V OUT0 , V OUT1 , V OUT2 ,
Continuous Power Dissipation (T A = +70 ° C)
28-Pin Thin QFN 5mm x 5mm
(derate 20.8mW/ ° C above +70 ° C) ..........................1666.7mW
Operating Temperature Range
MAX1538ETI ....................................................-40 ° C to +85 ° C
Junction Temperature ......................................................+150 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Lead Temperature (soldering, 10s) .................................+300 ° C
V MINVA , V MINVB , V AIRDET , V ACDET to GND..........-0.3V to +6V
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 BATA = V BATB = V CHGIN = 16.8V, C VDD = 1μF, V MINVA = V MINVB = 0.93V, V EXTLD = V ADPIN = 28V, V CHRG = V BATSEL = V RELRN = 0,
C ADPPWR = C REVBLK = C ADPBLK = C DISBAT = C DISA = C DISB = C CHGA = C CHGB = 4.7nF, TA = 0°C to +85°C , unless otherwise noted.
Typical values are at T A = +25 ° C.)
PARAMETER
ADPIN, EXTLD Supply Voltage
Range
CHGIN, BATA, BATB and
BATSUP Supply Voltage Range
CONDITIONS
MIN
4.75
4.75
TYP
MAX
28.00
19.00
UNITS
V
V
V ADPIN = highest,
V ADPPWR = high
21
50
V BATA = 4.75V to 19V,
V ADPIN = highest,
V ADPPWR = low
23
54
ADPIN, BATA, BATB , BATSUP
Quiescent Current (Current from
the Highest Voltage Supply)
V BATB = 4.75V to 19V,
V BATSUP = 4.75V to 19V,
V ADPIN = 4.75V to 28V,
no external load at V DD
V BATA = highest,
V DISA = high
V BATA = highest, V DISA = low
V BATB = highest,
V DISB = high
21
24
21
42
50
42
μA
V BATB = highest, V DISB = low
V BATSUP = highest
24
18
50
40
ADPIN Quiescent Current (ADPIN
Current When Not the Highest
Voltage)
BATA Quiescent Current (BATA
Current When Not the Highest
Voltage)
BATB Quiescent Current (BATB
Current When Not the Highest
Voltage)
V ADPIN = 4.75V to 18V,
no external load at V DD
V BATA = 4.75V to 19V,
no external load at V DD
V BATB = 4.75V to 19V,
no external load at V DD
V ADPPWR = high
V ADPPWR = low
V DISA = high
V DISA = low
V DISB = high
V DISB = low
0.01
2.6
3.9
7.0
3.9
7.0
0.5
6
6.0
12
6.0
12
μA
μA
μA
EXTLD Quiescent Current
CHGIN Quiescent Current
Adapter selected (REVBLK or ADPBLK pins low)
Adapter not selected (REVBLK and ADPBLK pins high)
AC or airline state (CHGA, CHGB, and DISBAT pins high)
Charge state (CHGA or CHGB pin low, DISBAT pin high)
Discharge or relearn state (CHGA or CHGB pin low,
DISBAT pin low)
3.0
0.02
0.03
3.1
6.1
6.1
1.0
1.5
6.2
12.1
μA
μA
2
_______________________________________________________________________________________
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