fs3861 Fortune Semiconductor Corporation, fs3861 Datasheet - Page 8

• Manufacturer Part Number: fs3861
• Description: Intelligent Charger Management Controller
• Manufacturer: Fortune Semiconductor Corporation

7. Functional Block Diagram
Fortune Semiconductor Corp.
GPIO
RST_/
[2:0]
LED
[1:0]
VPP
3
2
ENOVLO
OVLO
PWEN
OTP EPROM
GPIO
Modulation
1 KByte
PWMC
Density
Pulse
ENBGR_
OVLO
UVLO
NORM
PWCS
[2:0]
4MHz
Microcontroller
Embedded
Reference
Oscillator
Voltage
Internal
VCC
OSC
Current Reference
Voltage Reference
ENCVref
4.2V 4.23V 4.25V
950mA 1050mA
250mA 350mA
400mA 450mA
500mA 650mA
750mA 850mA
1.2V 1.4V 2.4V
2.8V 3.2V 3.4V
3.6V 4.0V 4.1V
125mA 150mA
75mA 100mA
25mA 50mA
4.3V VPWM
GND
8/34
CMPPSEL[4:0]
CMPNSEL[2:0]
32 to 1
8 to 1
MUX
MUX
CURSEL[3:0]
VOLSEL[3:0]
VPWM 1.2V 1.4V 1.5V 2.0V
ENCCref
16 to 1
16 to 1
25mA 50mA 75mA 100mA
125mA 150mA
MUX
MUX
4.23V 4.25V 4.3V
2.4V 2.5V 2.6V 2.8V 3.0V
3.1V 3.2V 3.3V 3.4V 3.6V
3.9V 4.0V 4.1V 4.15V 4.2V
IC TEMP
VBATID
VBAT
SNS
TS
SNS
ENCC
ENCV
FS3861
VBAT
VBATID
CC
TS
Rev. 1.0