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LM3621M-3.0 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM3621M-3.0
Description  Single Cell Lithium-Ion Battery Charger Controller
Download  14 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3621M-3.0 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Connection Diagram
Pin Description
Pin No.
Symbol
I/O
Description
1V
BAT+
I
Battery pack high side sense input.
2V
BAT−
I
Battery pack low side sense input.
3
CSR
I
Current Sense Resistor high side input.
4
PFD
O
Pass FET gate Drive output. (N-channel).
5I
COMP
I
Compensation pin for current regulation loop.
6
MCO
O
Modulation Control Output- analog control signal output
7V
COMP
I
Compensation pin for voltage regulation loop.
8I
SET
I
Charge current adjust input pin (see application section).
9V
SET
I
Charge termination voltage control input (V
SET = HI for 4.2V or
V
SET
= LO for 4.1V).
10
LED1
O
LED driver #1 output (open drain).
11
LED2
O
LED driver #2 output (open drain).
12
ChgInt
I
Charge current interrupt (active LO).
13
Enable
I
Enable charge cycle control.
14
Boost
I
Maximum output current boost control (max output current
increased by 80%).
15
V
SS
S
IC common.
16
V
DD
S
IC power supply.
16-Lead SOIC
DS100107-18
Top View
Order Number LM3621M or LM3621M-3.0
NSC Package Number M16A
www.national.com
2


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