參數(shù)資料
型號(hào)： MAX1757EAI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Stand-Alone, Switch-Mode Li Battery Charger with Internal 14V Switch
中文描述： BATTERY CHARGE CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO28
封裝： 5.30 MM, 0.65 MM PITCH, SSOP-28
文件頁數(shù)： 2/17頁
文件大?。?/td> 218K
代理商： MAX1757EAI
M
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 14V Switch
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
BATT, CS, DCIN, CSSP, CSSN, HSD to GND........-0.3V to +15V
CSSP to CSSN.......................................................-0.6V to +0.6V
BST to GND............................................................-0.3V to +21V
BST to LX..................................................................-0.3V to +6V
LX to PGND ..............................................-0.6V to (V
HSD
+ 0.3V)
VL,
SHDN
, ISETIN, ISETOUT, REF, VADJ, CELL, TIMER1,
TIMER2, CCI, CCS, CCV, THM to GND ................-0.3V to +6V
FASTCHG
,
FULLCHG
,
FAULT
to GND ..................-0.3V to +30V
CS to BATT Current............................................................±3.5A
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
DCIN
= V
HSD
= V
CSSP
= V
CSSN
= 12V, V
SHDN
= V
VL
, V
CELL
= GND, V
BATT
= V
CS
= 4.2V, V
VADJ
= V
REF
/2,
V
ISETIN
= V
ISETOUT
= V
REF
, R
THM
= 10k
,
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.
PGND to GND .......................................................-0.3V to +0.3V
VL Source Current...............................................................50mA
Continuous Power Dissipation (T
A
= +70°C)
28-Pin SSOP (derate 9.5mW/°C above +70°C) ...........762mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
V
BATT
= 14V, done state
Falling edge
CELL = REF, V
BATT
= 12V, any charging state
V
SHDN
= GND, V
BATT
=14V
6V < V
DCIN
< 14V
Internal resistor between CS and BATT,
1.5A RMS operating
See
PWM Controller
section
V
BST
= V
LX
+ 4.5V
V
LX
= V
HSD
= V
DCIN
=14V, V
SHDN
= GND
I
REF
= 0 to 1mA
V
LX
= PGND, V
HSD
= V
DCIN
= 14V,
V
SHDN
= GND
V
CSSN
= V
CSSP
= V
DCIN
= 14V, V
SHDN
= GND
6V < V
DCIN
< 14V
Rising edge
6V < V
DCIN
< 14V
I
VL
= 0 to 15mA
In dropout, f
OSC
/ 4
6V < V
DCIN
< 14V
Nondropout f
OSC
CONDITIONS
μA
150
270
BATT, CS Input Current
μA
280
540
μA
0.1
5
m
110
170
R
CS
CS to BATT Current-Sensing
Resistance
1
2
LX to PGND On-Resistance
m
150
250
HSD to LX On-Resistance
μA
0.1
10
LX Off-State Leakage
μA
0.1
10
HSD Off-State Leakage
μA
2
10
CSSN/CSSP Off-State Leakage
%
97
98
LX Maximum Duty Cycle
kHz
270
300
330
f
OSC
PWM Oscillator Frequency
V
0.075
0.125
0.175
DCIN to BATT Dropout
Threshold, DCIN Falling
mA
5
7
DCIN Quiescent Supply Current
mV
6
14
REF Load Regulation
SWITCHING REGULATOR
mV
2
6
REF Line Regulation
V
V
0.20
0.30
0.40
DCIN to BATT Dropout
Threshold, DCIN Rising
VL Output Voltage
VL Output Load Regulation
V
5.10
5.40
44
5.70
65
mV
V
REF
4.179
4.20
4.221
REF Output Voltage
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
V
6
14
DCIN Input Voltage Range
SUPPLY AND REFERENCE
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參數(shù)描述
MAX1757EAI+ 功能描述:電池管理 Li+ Battery Charger w/Int 14V Switch 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
MAX1757EAI+T 功能描述:電池管理 Li+ Battery Charger w/Int 14V Switch 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
MAX1757EAI-T 功能描述:電池管理 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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MAX17582GTL+ 制造商:Maxim Integrated Products 功能描述:1.2MHZ LOW-COST HIGH-PERFORMANCE - Rail/Tube
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