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MCP73837-AMI/MF Datasheet(PDF) 6 Page - Microchip Technology

Part # MCP73837-AMI/MF
Description  Advanced Stand-Alone Li-Ion/Li-Polymer Battery Charge Management Controller with Autonomous AC Adapter or USB Port Source Selection
PDF  36 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP73837-AMI/MF Datasheet(HTML) 6 Page - Microchip Technology

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MCP73837/8
DS20002071C-page 6
 2007-2015 Microchip Technology Inc.
Timer Enable (TE)
Input High Voltage Level
VIH
2—
—
V
Input Low Voltage Level
VIL
——
0.8
V
Input Leakage Current
ILK
—0.01
1
µA
VTE = VDD
Thermistor Bias
Thermistor Current Source
ITHERM
47
50
53
µA
2 k
 < RTHERM < 50 k
Thermistor Comparator
Upper Trip Threshold
VT1
1.20
1.23
1.26
V
VT1 Low to High
Upper Trip Point Hysteresis
VT1HYS
—-40
—
mV
Lower Trip Threshold
VT2
0.235
0.250
0.265
V
VT2 High to Low
Lower Trip Point Hysteresis
VT2HYS
—40
—
mV
System Test (LDO) Mode
Input High Voltage Level
VIH
——
VDD – 0.1
V
THERM Input Sink Current
ISINK
3
5.5
20
µA
Stand-by or System Test Mode
Bypass Capacitance
CBAT
1
4.7
——
µF
µF
IOUT < 250 mA
IOUT > 250 mA
Automatic Power Down (SLEEP Comparator, Direction Control)
Automatic Power Down Entry
Threshold
VPD
VBAT +
10 mV
VBAT +
100 mV
—V
2.3V ≤ VBAT ≤ VREG
VDD Falling
Automatic Power Down Exit
Threshold
VPDEXIT
—VBAT +
150 mV
VBAT +
250 mV
V2.3V ≤ VBAT ≤ VREG
VDD Rising
Thermal Shutdown
Die Temperature
TSD
—
150
—
C
Die Temperature Hysteresis
TSDHYS
—10
—
C
DC CHARACTERISTICS (Continued)
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
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 the 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).
The maximum charge impedance has to be less than shutdown impedance for normal operation.



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