CM9101 Datasheet, PDF (6/12 Pages) California Micro Devices Corp – Compact Cost-effective Fast Charger

Flow Chart
PRELIMINARY
CM9101
No
4.75V<VIN<6.5V
Yes
Yes
VIN < BSEN
No
Stop Charging
Sleep
mode
Iin > 1A
OCP
Tj > 150^oC
OTP
Stop charging and Latch ;
Set STAT=OFF
No
ENA = High
Yes
Set Precharge Mode
STAT=ON
BSEN > ^No
3.3V
CC Mode Yes
Precharge
Mode
Shutdown
mode
Yes
Yes
2.5V<THERM<
4.375 V
No
THERM=0V
No
Yes
BSEN < 4.200V-100mV
Standby
No
Mode
Battery
Temperature
Checking
Stop charging
Set STAT=OFF
Set CC mode
STAT=ON
CV Mode
No
No
Yes
BSEN >= 4.200 V
Set CV Mode
I_CH < Iterm
Charge Done or
Battery is not present
Yes
Note:IfThermisused,duringanychargingmode,removinga
batterywillcausetheCVmode,thentermination,the
equivalenttochargedone.Untilthebatteryisreturnedthe
chargerwillcyclebetweenstandbymodeandre-chargecycle.
© 2006 California Micro Devices Corp. All rights reserved.
6 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 lTel: [phone] lFax: [phone] lwww.cmd.com
06/30/06