參數(shù)資料
型號： MAX1538ETI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： Power-Source Selector for Dual-Battery Systems
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC28
封裝： 5 X 5 MM, 0.80 MM HEIGHT, MO-220WHHD-1, TQFN-28
文件頁數(shù)： 2/22頁
文件大?。?/td> 502K
代理商： MAX1538ETI
M
Power-Source Selector for
Dual-Battery Systems
2
_______________________________________________________________________________________
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
,
V
MINVA
, V
MINVB
, V
AIRDET
, V
ACDET
to GND..........-0.3V to +6V
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.)
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.
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
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ADPIN, EXTLD Supply Voltage
Range
4.75
28.00
V
CHGIN, BATA, BATB and
BATSUP Supply Voltage Range
4.75
19.00
V
V
ADPIN
= highest,
V
ADPPWR
= high
21
50
V
ADPIN
= highest,
V
ADPPWR
= low
23
54
V
BATA
= highest,
V
DISA
= high
V
BATA
= highest, V
DISA
= low
V
BATB
= highest,
V
DISB
= high
V
BATB
= highest, V
DISB
= low
V
BATSUP
= highest
21
42
24
50
21
42
24
18
50
40
ADPIN, BATA, BATB
,
BATSUP
Quiescent Current (Current from
the Highest Voltage Supply)
V
BATA
= 4.75V to 19V,
V
BATB
= 4.75V to 19V,
V
BATSUP
= 4.75V to 19V,
V
ADPIN
= 4.75V to 28V,
no external load at V
DD
μA
V
ADPPWR
= high
0.01
0.5
ADPIN Quiescent Current (ADPIN
Current When Not the Highest
Voltage)
V
ADPIN
= 4.75V to 18V,
no external load at V
DD
V
ADPPWR
= low
2.6
6
μA
V
DISA
= high
3.9
6.0
BATA Quiescent Current (BATA
Current When Not the Highest
Voltage)
V
BATA
= 4.75V to 19V,
no external load at V
DD
V
DISA
= low
7.0
12
μA
V
DISB
= high
3.9
6.0
BATB Quiescent Current (BATB
Current When Not the Highest
Voltage)
V
BATB
= 4.75V to 19V,
no external load at V
DD
V
DISB
= low
7.0
12
μA
Adapter selected (REVBLK or ADPBLK pins low)
Adapter not selected (REVBLK and ADPBLK pins high)
AC or ai ne state ( C H G A, C H GB, and D S BAT p ns hi g h)
Charge state (CHGA or CHGB pin low, DISBAT pin high)
3.0
0.02
0.03
3.1
6.1
1.0
1.5
6.2
EXTLD Quiescent Current
μA
CHGIN Quiescent Current
Discharge or relearn state (CHGA or CHGB pin low,
DISBAT pin low)
6.1
12.1
μA
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MAX1538ETI+ 功能描述:電池管理 Power-Source Select for Dual-Bat System RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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