参数资料
型号: MAX1758EAI+T
厂商: Maxim Integrated Products
文件页数: 5/17页
文件大小: 0K
描述: IC BATTERY CHRG LI+ 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 6 V ~ 28 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 带卷 (TR)
MAX1758
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 28V Switch
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V DCIN = V HSD = V CSSP = V CSSN = 18V, 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 Ω , T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
FASTCHG , FULLCHG , FAULT
Output Low Voltage
SYMBOL
V OL
I SINK = 5mA
CONDITIONS
MIN
TYP
MAX
0.5
UNITS
V
FASTCHG , FULLCHG , FAULT
Output High Leakage
V FASTCHG , V FULLCHG , V FAULT = 28V,
V SHDN = GND
1
μA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V DCIN = V HSD = V CSSP = V CSSN = 18V, 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 Ω , T A = -40°C to +85°C , unless otherwise noted.) (Note 7)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY AND REFERENCE
DCIN Input Voltage Range
VL Output Voltage
6
5.1
28
5.7
V
V
REF Output Voltage
REF Line Regulation
6V < V DCIN < 28V
6V < V DCIN < 28V
4.166
4.242
6
V
mV
SWITCHING REGULATOR
PWM Oscillator Frequency
HSD to LX On-Resistance
f OSC
Nondropout f OSC
V BST = V LX + 4.5V
260
340
450
kHz
m Ω
LX to PGND On-Resistance
2
Ω
CS to BATT Hard Current Limit
BATT, CS Input Voltage Range
Instantaneous peak current limit
2.2
0
3.2
19
A
V
ACCURACY AND ERROR AMPLIFIERS
Absolute Voltage Accuracy
BATT Regulation Voltage
BATT Full-Scale Charge Current
BATT 1/10-Scale Charge
Current (Note 1)
BATT Charge Current in
Prequalification State
CSSP to CSSN Full-Scale
Current-Sense Voltage
CSSP to CSSN 1/10-Scale
Current-Sense Voltage
Not including VADJ resistor tolerances
With 1% VADJ resistors
CELL = float, GND, VL, or REF
V SETOUT = V REF / 10
V BATT < 2.4V per cell
V SETIN = V REF / 10
-0.8
-1
4.158
1.3
100
100
85
5
0.8
1
4.242
1.7
200
200
115
15
%
V/cell
A
mA
mA
mV
mV
STATE MACHINE
THM Trip Threshold Voltage
THM Low-Temp Current
V TRT
I TLTC
THM low - temp or high-temp current
V THM = 1.4V
1.386
46.2
1.414
51.5
V
μA
Maxim Integrated
5
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