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MCP73841 Datasheet(PDF) 2 Page - Microchip Technology

Part # MCP73841
Description  Advanced Single or Dual Cell Lithium-Ion/ Lithium-Polymer Charge Management Controllers
PDF  24 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP73841 Datasheet(HTML) 2 Page - Microchip Technology

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MCP73841/2/3/4
DS21823B-page 2
 2004 Microchip Technology Inc.
Functional Block Diagram
Charge
Termination
Comparator
Voltage Control
Amplifier
VREF
IREG/10
Precondition
Control
Charge_ok
Precon
VDD
Charge Current
Control Amplifier
+
–
VREF
VREF
Precondition
Comp.
VBAT
VSS
DRV
90 k
Ω
90 k
Ω
10 k
Ω
10 k
Ω
+
–
Charge
Current
Amplifier
VDD
SENSE
MCP73841 and MCP73842 Only
300 k
Ω
(825 k
Ω)
12 k
Ω
1k
Ω
UVLO
Comparator
VUVLO
Temperature
Comparators
Bias and
Reference
Generator
VUVLO
VREF (1.2V)
Power-On
Delay
VREF
Oscillator
Constant-Voltage/
Recharge Comp.
Charge Control,
Charge Timers,
And
Status Logic
Drv Stat 1
Charge_ok
IREG/10
THERM
EN
TIMER
STAT1
THREF
100 k
Ω
50 k
Ω
50 k
Ω
74.21 k
Ω
0.79 k
Ω
150.02 k
Ω
5.15 k
Ω
(4.29 k
Ω)
+
-
+
-
+
-
+
-
+
-
+
-
+
-



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