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Maxim > 方案 > 蜂窝手机

NiMH/NiCd电池充电器

数据资料
显示 标题/型号 关键优势
QV  PDF 过压保护控制器,提供低RON内部FET
MAX4970, MAX4971, MAX4972

高达+28V的输入电压保护,无需外部nFET,采用小尺寸2mm x 1.5mm、12焊球WLP封装
QV  PDF 完备的电源管理IC,用于锂电池和NiMH电池
MAX8568A, MAX8568B

QV  PDF 高集成度、线性电池充电器,带有热调节,用于便携式应用
MAX1501

首款带温度调节的CC-CV电池充电器,提供过压保护,适用于便携产品
QV  PDF NiCd/NiMH电池快速充电控制器
MAX712, MAX713

为1节至16节电池充电,充电速率可达4C



Key Specifications:  Battery Chargers
Part Number Cell Chemistry NiMH/ NiCd Cells Lithium Ion Cells Protected VIN
(V)
Charging VIN
(V)
Charge Rate Set by Max. ICHG
(A)
Charge Termination Charge Regulation Features EV Kit Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
max max max w/pins
MAX1501 
Li-Ion
Li-Polymer
NiCd
NiMH
3 1 13 6.25 Resistor 1.4 Timer Linear
Stand Alone
Thermal Die Regulation
Timer
Yes -40 to +85
TQFN/16
26
MAX712  NiMH
1
2
3
4
5
6
7
8
9
10
11
- 20 20 2 Zero ΔV
Linear
Switchmode
Stand Alone
Thermistor Input
Timer
-55 to +125
-40 to +85
0 to +70
CDIP(N)/16
PDIP(N)/16
SOIC(N)/16
61.9
MAX713 
NiCd
NiMH
1
2
3
4
5
6
7
8
9
10
11
- 20 20 2 -ΔV
Linear
Switchmode
Stand Alone
Thermistor Input
Timer
-55 to +125
-40 to +85
0 to +70
CDIP(N)/16
PDIP(N)/16
SOIC(N)/16
61.9
See All Battery Chargers (60)

Key Specifications:  Battery Backup Circuits
Part Number Reset Thresh.
(V)
ICC
(µA)
Features RoHS Available Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
max max w/pins
MAX8568A 
2.5 to 3.3
3.3 to 5.5
5
Adjustable Reset Input
Batt Freshness Seal
Power Fail Comparator
Yes -40 to +85
TQFN/16
9.6
MAX8568B  See Data Sheet
TQFN/16
See All Battery Backup Circuits (86)

Key Specifications:  Overvoltage Protection Controllers
Part Number Channels VIN
(V)
VIN
(V)
Over Voltage Trip Level
(V)
Under Voltage Lockout
(V)
VGATE
(V)
tGATE (On)
(ms)
tGATE (Off)
(µs)
Features Package/Pins
min max
MAX4970  1 2.2 28 5.9 2.45 7 13 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
UCSP/12
WLP/12
MAX4972  4.65
UCSP/12
WLP/12
See All Overvoltage Protection Controllers (47)



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