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EC49020BSMHT 데이터시트(PDF) 2 Page - E-CMOS Corporation

부품명 EC49020BSMHT
상세설명  High Efficiency 2A 1.5MHz Single Cell Li-ion Battery Switching Charger
PDF  11 Pages
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제조업체  E-CMOS [E-CMOS Corporation]
홈페이지  http://www.ecmos.com.tw/
Logo E-CMOS - E-CMOS Corporation

EC49020BSMHT 데이터시트(HTML) 2 Page - E-CMOS Corporation

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EC49020
4D25N-Rev.P001
E-CMOS Corp. (www.ecmos.com.tw)
Page 2 of 11
High Efficiency 2A 1.5MHz
Single Cell Li-ion Battery Switching Charger
Pin Configuration
Pin Description
Pin NO.
Pin Name
Description
1
VCC
5V linear regulator output. Bypass a 2.2uF ceramic capacitor from VCC to GND.
2
BAT
Battery connection. Connect to the positive terminal of the battery. Bypass BAT to GND
with a 20uF capacitor.
3
BS
High Side MOSFET Gate Driver Supply. Connect a 0.1uF ceramic capacitor from BS to
SW to supply the gate drive for the high side MOSFETs.
4
SW
Switching node. Connect SW to the external inductor.
5
VIN
IC power supply of internal bias and power devices. Bypass 20uF MLCC ceramic capacitor
from VIN to GND.
6
TS
Battery Pack NTC Monitor. Connect TS to the center tap of a resistor divider from VCC to
GND. Pull TS to GND and disable charge function.
7
ISET
Charge Current Programming Input. Connect a resistor RISET from ISET to GND to program
the charge current. The charge current is programmable from 0.5A to 2A.
8
STAT
Charge Status Open Drain Output. STAT is pulled low when a charge cycle starts and
remains low while charging. STAT is high impedance when the charging terminates and
when no supply exists. STAT is blinking when IC detect fault conditions.
HIGH
LOW
Blinking
Charge complete
Charge in progress
Fault
EP
GND
The exposed thermal pad and the IC ground pin.



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