參數(shù)資料
型號(hào): MAX1870A
廠商: Maxim Integrated Products, Inc.
英文描述: Step-Up/Step-Down Li+ Battery Charger
中文描述: 升/降壓型Li+電池充電器
文件頁(yè)數(shù): 2/32頁(yè)
文件大小: 1091K
代理商: MAX1870A
M
Step-Up/Step-Down
Li+ Battery Charger
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
DCIN, CSSP, CSSS, CSSN,
VHP, VHN, DHI to GND......................................-0.3V to +30V
VHP, DHI to VHN .....................................................-0.3V to +6V
BATT, CSIP, CSIN, BLKP to GND ..........................-0.3V to +20V
CSIP to CSIN, CSSP to CSSN,
CSSP to CSSS, PGND to GND..........................-0.3V to +0.3V
CCI, CCS, CCV, REF, IINP to GND ..........-0.3V to (V
LDO
+ 0.3V)
DBST to GND..........................................-0.3V to (V
DLOV
+ 0.3V)
DLOV, VCTL, ICTL, REFIN, CELLS,
CLS, LDO, ASNS,
SHDN
to GND.........................-0.3V to +6V
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 2, V
DCIN
= V
CSSP
= V
CSSN
= V
CSSS
= V
VHP
= 18V, V
BATT
= V
CSIP
= V
CSIN
= V
BLKP
= 12V, V
REFIN
= 3.0V, V
ICTL
=
0.75 x V
REFIN
, VCTL = LDO, CELLS = FLOAT, GND = PGND = 0, V
DLOV
= 5.4V,
T
A
= 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.
LDO Current........................................................................50mA
Continuous Power Dissipation (T
A
= +70°C)
32-Pin Thin QFN 5mm x 5mm
(derate 21mW/°C above +70°C)......................................1.7W
Operating Temperature Range
MAX1870AETJ.................................................-40°C to +85°C
Storage Temperature Range.............................-60°C to +150°C
Lead Temperature (soldering, 10s)................................ +300°C
PARAMETER
CONDITIONS
MIN
0
-0.5
-0.5
-0.5
-0.8
-0.8
-0.8
-1.2
-1.2
-1.2
4.0
-1
-1
-1
0
67
54
39
3.0
TYP
4.1
73
59
43
4.5
MAX
3.6
+0.5
+0.5
+0.5
+0.8
+0.8
+0.8
+1.2
+1.2
+1.2
4.2
+1
+1
+1
3.6
79
64
47
6.0
UNITS
V
CHARGE-VOLTAGE REGULATION
VCTL Range
V
VCTL
= V
LDO
(2 cells)
V
VCTL
= V
LDO
(3 cells)
V
VCTL
= V
LDO
(4 cells)
V
VCTL
= V
REFIN
(2 cells)
V
VCTL
= V
REFIN
(3 cells)
V
VCTL
= V
REFIN
(4 cells)
V
VCTL
= V
REFIN
/ 20 (2 cells)
V
VCTL
= V
REFIN
/ 20 (3 cells)
V
VCTL
= V
REFIN
/ 20 (4 cells)
VCTL rising
0 < V
VCTL
< V
REFIN
DCIN = 0, V
REFIN
= V
VCTL
= 3.6V
VCTL = DCIN = 0, V
REFIN
= 3.6V
Battery Regulation Voltage
Accuracy
%
VCTL Default Threshold
V
VCTL Input Bias Current
μA
CHARGE-CURRENT REGULATION
ICTL Range
V
ICTL
= V
REFIN
V
ICTL
= V
REFIN
x 0.8
V
ICTL
= V
REFIN
x 0.583
V
Quick-Charge-Current Accuracy
mV
Trickle-Charge-Current Accuracy
V
ICTL
= V
REFIN
x 0.0625
BATT/CSIP/CSIN Input Voltage
Range
mV
0
19
V
DCIN = 0
ICTL = 0
ICTL = REFIN
0.1
0.1
350
2
2
CSIP Input Current
600
μA
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MAX1870AETJ 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類(lèi)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
MAX1870AETJ+ 功能描述:電池管理 Li+ Step Up/Step Down Battery Charger RoHS:否 制造商:Texas Instruments 電池類(lèi)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
MAX1870AETJ+T 功能描述:電池管理 Li+ Step Up/Step Down Battery Charger RoHS:否 制造商:Texas Instruments 電池類(lèi)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
MAX1870AETJ-T 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類(lèi)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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