参数资料
型号: LTC4010EFE
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.2 A BATTERY CHARGE CONTROLLER, 640 kHz SWITCHING FREQ-MAX, PDSO16
封装: 4.40 MM, PLASTIC, TSSOP-16
文件页数: 24/24页
文件大小: 281K
代理商: LTC4010EFE
LTC4010
4010fb
block DiagraM
5
6
11
CHARGER
STATE
CONTROL
LOGIC
THERMISTOR
INTERFACE
A/D
CONVERTER
BATTERY
DETECTOR
VOLTAGE
REGULATOR
UVLO AND
SHUTDOWN
PWM
CHARGE
TIMER
VOLTAGE
REFERENCE
INTERNAL
VOLTAGE
REGULATOR
VTEMP
4
CHEM
2
CHRG
1
FAULT
9
10
13
12
14
3
GND
VCELL
8
TIMER
7
VCDIV
INTVDD
4010 BD
BAT
SENSE
BGATE
16
READY
VCC
PGND
TGATE
15
operaTion (Refer to Figure 1)
CHARGE
QUALIFICATION
SHUTDOWN
DC ADAPTER PRESENT
NiCd OR
NiMH – V
VCELL < 1.325V
*tMAX IS PROGRAMMED MAXIMUM FAST CHARGE DURATION
**OPTIONAL TEMPERATURE LIMITS APPLY
4010 F01
VCELL < 900mV
VCELL > 900mV
VCELL
> 900mV
VCELL < 900mV
VCELL < 1.22V AT tMAX*/12
OR TIME = tMAX
VCELL > 350mV, ADEQUATE VCC,
CHARGER ENABLED AND
TEMPERATURE OK (OPTIONAL)
CHECK
BATTERY
PRECHARGE**
(C/5 FOR
tMAX/12)
FAST CHARGE**
(1C)
AUTOMATIC
RECHARGE
FAULT
VCELL > 1.95V
OR PWM FAULTS
TOP-OFF
CHARGE**
(C/10)
NiMH
T/t
NO DC ADAPTER
tMAX/3
NO BATTERY
OR
VCC < 4.25V
Figure 1. LTC4010 State Diagram
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