M62242FP Datasheet, PDF (1/9 Pages) Renesas Technology Corp – Lithium-Ion Battery Charger Control IC

M62242FP
Lithium-Ion Battery Charger Control IC
REJ03F0241-0200
Rev.2.00
Sep 14, 2007
Description
M62242FP is general purpose battery charger designed for 1-2 cell lithium-ion batteries.
Integrating the indispensable circuits for charge control and the interface with MCU *¹ allows for protections against
over-temperature, over-current, and over-voltage as well as charge control corresponding to the kind of battery by the
simplified component design.
Note: 1. Recommended MCU: M34501
Features
• Built-in accurate reference voltage for full charge detection
(4.2 V ± 30 mV accuracy, prepared for 4.1 V battery voltage)
• Built-in 5 V power supply for MCU
• Using with MCU, various charge flow are available.
• Small size 16-pin SSOP package
Application
Hand held equipments and general battery charger for other digital equipments, etc.
Block Diagram
VCC 4
SD 1
VBAT 5
OUT
16
Constant current control
Charge ON/OFF
−
+
−
+
Constant voltage control
DATA 6
REF 3 ^{5.0 V}
Reg
CADJ 2
+
Aamp
−
+
Bbuff
−
Cbuff ^+−++
Logic
7
8
S1 S2
14 HBAT
13 LBAT
12 VDIF
11 VSENSE
10 TYPE
9 TH
15 GND
REJ03F0241-0200 Rev.2.00 Sep 14, 2007
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