MCP73837-FJI/UN Microchip Technology, MCP73837-FJI/UN Datasheet - Page 3

• Manufacturer Part Number: MCP73837-FJI/UN
• Description: 1A USB/DC Input Auto-swich Li-Ion Charger PG Output 10 MSOP 3x3mm TUBE
• Manufacturer: Microchip Technology

Specifications of MCP73837-FJI/UN

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 4.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-TFSOP (0.118", 3.00mm Width)
• Product: Charge Management
• Output Voltage: 4.2 V, 4.35 V, 4.4 V, 4.5 V
• Output Current: 1200 mA
• Operating Supply Voltage: 3.75 V to 6 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Functional Block Diagram (MCP73837/8)
© 2007 Microchip Technology Inc.
V
PROG1
PROG2
STAT1
STAT2
PG (TE)
V
AC
USB
VO
REG
REFERENCE,
BIAS, UVLO,
AND SHDN
CHARGE
CONTROL,
TIMER,
AND
STATUS
LOGIC
SENSEFET
G=0.001
SENSEFET
G=0.001
SENSEFET
G=0.001
SENSEFET
G=0.001
UVLO
DIRECTION
CONTROL
DIRECTION
CONTROL
V REF (1.21V)
HTVT
LTVT
CHARGE
LDO
TERM
+
+
+
+
+
-
-
-
-
-
157.3k
72.7k
310k
6k
100 mA/500 mA
AC/USB
AC/USB
470.6k
121k
PRECONDITION
111k
+
-
1M
10k
1k
VO
V
REG
REF
10k
470.6k
48k
175k
175k
2k
MCP73837/8
+
-
+
-
+
-
CURRENT
LIMIT
CA
VA
50 µA
6 µA
VO
VO
REG
REG
DS22071A-page 3
V
V
THERM
BAT
SS