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参数资料
| 型号： | LTC4010CFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 9/24页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER NIMH/NICD 16-TSSOP |
| 标准包装： | 95 |
| 功能： | 充电管理 |
| 电池化学： | 镍镉（NiCd）、镍金属氢化物（NiMH） |
| 电源电压： | 4.5 V ~ 34 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 16-TSSOP-EP |
| 包装： | 管件 |
LTC4010
BLOCK DIAGRAM
1
2
FAULT
CHRG
READY
16
4 GND
CHEM
3
THERMISTOR
INTERFACE
UVLO AND
SHUTDOWN
V CC
TGATE
BGATE
15
14
12
5
6
V TEMP
V CELL
A/D
CONVERTER
CHARGER
STATE
CONTROL
LOGIC
PWM
PGND
SENSE
13
9
BATTERY
DETECTOR
BAT
10
VOLTAGE
REGULATOR
INTV DD
11
8
7
TIMER
V CDIV
CHARGE
TIMER
VOLTAGE
REFERENCE
INTERNAL
VOLTAGE
REGULATOR
4010 BD
OPERATION
(Refer to Figure 1)
NO DC ADAPTER
NO BATTERY
OR
V CC < 4.25V
SHUTDOWN
DC ADAPTER PRESENT
CHARGE
QUALIFICATION
V CELL > 350mV, ADEQUATE V CC ,
CHARGER ENABLED AND
TEMPERATURE OK (OPTIONAL)
> 90
CHECK
BATTERY
V CELL > 900mV
V CELL < 900mV
V CELL
0mV
PRECHARGE**
(C/5 FOR
t MAX /12)
V CELL < 900mV
TOP-OFF
CHARGE**
(C/10)
NiMH
?T/?t
FAST CHARGE**
(1C)
V CELL < 1.22V AT t MAX */12
OR TIME = t MAX
FAULT
t MAX /3
NiCd OR
NiMH – ?V
AUTOMATIC
RECHARGE
V CELL < 1.325V
V CELL > 1.95V
OR PWM FAULTS
4010 F01
*t MAX IS PROGRAMMED MAXIMUM FAST CHARGE DURATION
**OPTIONAL TEMPERATURE LIMITS APPLY
Figure 1. LTC4010 State Diagram
4010fb
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