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SC820 Datasheet(PDF) 10 Page - Semtech Corporation

Part # SC820
Description  Adapter/USB Dual Input Single-cell Li-ion Charger
PDF  22 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC820 Datasheet(HTML) 10 Page - Semtech Corporation

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 10 / 22 page
background image
SC820
10
Block Diagram
CC
CV
Input Selection Logic
Ad/USB select
Termination
STATB
ENB
IPRGM
GND
BAT
IPUSB
VAD
VUSB
V_Adapter
USB_VBUS
1
2
4
8
3
To
System
Load
Lithium-
Ion
Single
Cell
Battery
Pack
RIPRGM
RIPUSB
6
7
VTIPRGM_TERM
VCV = 4.2V
VIREF
VVUSB_UV_LIM = 4.57V
Pre-charge, CC/
CV & Termination
Controller, Logical
State Machine
CC
Feedback
Selection
Tri-level
Control
VTENB_HIGH = ~1.50V
VTENB_LOW = ~0.55
1V
Thermal
Limiting
Die
Temperature
VT_CT
5
Regulated
System
Supply



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