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MCP73838GPIMF bảng dữ liệu(PDF) 4 Page - Microchip Technology

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Giải thích chi tiết về linh kiện  Advanced Stand-Alone Li-Ion / Li-Polymer Battery Charge Management Controller with Autonomous AC-Adapter or USB-Port Source Selection
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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MCP73838GPIMF bảng dữ liệu(HTML) 4 Page - Microchip Technology

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MCP73837/8
DS22071A-page 4
© 2007 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings†
VDDN ................................................................................7.0V
All Inputs and Outputs w.r.t. VSS ............... -0.3 to (VDD+0.3)V
Maximum Junction Temperature, TJ ............Internally Limited
Storage temperature .....................................-65°C to +150°C
ESD protection on all pins
Human Body Model (1.5 kW in Series with 100 pF)
......≥ 4kV
Machine Model (200 pF, No Series Resistance) .............300V
† Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all limits apply for VDD= [VREG(typical) + 0.3V] to 6V,
TA = -40°C to +85°C. Typical values are at +25°C, VDD = [VREG (typical) + 1.0V]
Parameters
Sym
Min
Typ
Max
Units
Conditions
Supply Input
Supply Voltage
VDD
VREG(Typ)
+0.3V
—6
V
Note 1
Supply Current
ISS
1900
3000
µA
Charging
110
300
µA
Charge Complete, No Battery
75
100
µA
Standby (PROG Floating)
0.6
5
µA
Shutdown (VDD < VBAT -
100 mV or VDD < VSTOP)
UVLO Start Threshold
VSTART
3.35
3.45
3.55
V
VDD= Low to High (USB-Port)
UVLO Stop Threshold
VSTOP
3.25
3.35
3.45
V
VDD= High to Low (USB-Port)
UVLO Hysteresis
VHYS
75
mV
(USB-Port)
UVLO Start Threshold
VSTART
4.1
4.15
4.3
V
(AC-Adapter)
UVLO Stop Threshold
VSTOP
4.0
4.1
4.2
V
(AC-Adapter)
UVLO Hysteresis
VHYS
55
mV
(AC-Adapter)
Voltage Regulation (Constant Voltage Mode)
Regulated Charge Voltage
VREG
4.179
4.20
4.221
V
VDD=[VREG(typical)+1V]
4.328
4.35
4.372
V
IOUT=30 mA
4.378
4.40
4.422
V
TA=-5°C to +55°C
4.477
4.50
4.523
V
Regulated Charge Voltage Tolerance
VRTOL
-0.5
+0.5
%
TA=-5°C to +55°C
Line Regulation
|(ΔVBAT/
VBAT)/ΔVDD|
0.075
0.2
%/V
VDD=[VREG(typical)+1V] to 6V
IOUT=30 mA
Load Regulation
|ΔVBAT/VBAT|
0.150
0.3
%
IOUT=10 mA to 100 mA
VDD=[VREG(typical)+1V]
Supply Ripple Attenuation
PSRR
60
dB
IOUT=10 mA, 10Hz to 1 kHz
—52
dB
IOUT=10 mA, 10Hz to 10 kHz
—23
dB
IOUT=10 mA, 10Hz to 1 MHz
Current Regulation (Fast Charge Constant-Current Mode)
AC-Adapter Fast Charge Current
IREG
95
105
115
mA
PROG1 = 10 k
Ω
900
1000
1100
mA
PROG1 = 1 k
Ω, Note 2
TA=-5°C to +55°C
Note 1:
The supply voltage (VDD) = VAC when input power source is from Ac-Adapter and the supply voltage (VDD) = VUSB
when input power source is from USB-Port.
2:
The value is guaranteed by design and not production tested.
3:
The current is based on the ratio of selected current regulation (IREG).
4:
The maximum charge impedance has to be less than shutdown impedance for normal operation.


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