參數(shù)資料
型號(hào): TWL2214CA
英文描述: High voltage fast-switching NPN power transistor
中文描述: 電源管理IC和鋰離子電池充電控制
文件頁(yè)數(shù): 26/36頁(yè)
文件大小: 511K
代理商: TWL2214CA
SLVS321A
OCTOBER 2001
REVISED JANUARY 2002
26
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Non-Charging
Mode
Standby
XRST = Low or CHGSTR = Low
XRST = High and CHGSTR = High
Wake Up
Precharge
Fast-Charge
CC Mode
Fast-Charge
CV Mode
Charge
Complete
Power Up
and not CV Time-Out
Time-Out or
VBAT > 4.45 V
CC Time-Out or
Terminate
Charge
Charge
Suspended
Temperature
Out of Range
Temperature In Range
Temperature Out of Range
Temperature In Range
Temperature Out of Range
Temperature In Range
Temperature Out of Range
VBAT < 3.2 V
VBAT
4.1 V or 4.2 V
VBAT < 2.0 V or VBAT > 4.45 V
VCHG < 4.5 V or
VCHG > 6.5 V
ICHG > ITERMINATE
4.5 V
VCHG
6.5 V
VBAT < 3.2 V
VBAT > 4.45 V
VBAT > 4.45 V
VBAT < 4.1 V or 4.2 V
VBAT
4.3 V
VBAT
3.2 V
VBAT
3.2 V
ICHG
ITERMINATE or
CV Time-Out
Figure 16. Charger State Diagram
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