MCP73838 Microchip Technology Inc., MCP73838 Datasheet - Page 6

• Manufacturer Part Number: MCP73838
• Description: Advanced Stand-alone Li-ion / Li-polymer Battery Charge Management Controller With Autonomous Ac-adapter Or Usb-port Source Selection
• Manufacturer: Microchip Technology Inc.

MCP73837/8
DC CHARACTERISTICS (Continued)
DS22071A-page 6
Electrical Specifications: Unless otherwise indicated, all limits apply for V
T
Timer Enable (TE)
Input High Voltage Level
Input Low Voltage Level
Input Leakage Current
Thermistor Bias
Thermistor Current Source
Thermistor Comparator
Upper Trip Threshold
Upper Trip Point Hysteresis
Lower Trip Threshold
Lower Trip Point Hysteresis
System Test (LDO) Mode
Input High Voltage Level
THERM Input Sink Current
Bypass Capacitance
Automatic Power Down (SLEEP Comparator, Direction Control)
Automatic Power Down Entry
Threshold
Automatic Power Down Exit Threshold
Thermal Shutdown
Die Temperature
Die Temperature Hysteresis
Note 1:
A
= -40°C to +85°C. Typical values are at +25°C, V
2:
3:
4:
The supply voltage (V
when input power source is from USB-Port.
The value is guaranteed by design and not production tested.
The current is based on the ratio of selected current regulation (I
The maximum charge impedance has to be less than shutdown impedance for normal operation.
Parameters
DD
) = V
AC
V
T
V
V
I
when input power source is from Ac-Adapter and the supply voltage (V
THERM
I
C
PDEXIT
SDHYS
Sym
T1HYS
T2HYS
V
T
V
V
SINK
V
V
V
I
BAT
LK
SD
PD
T1
T2
IH
IH
IL
DD
= [V
V
REG
10 mV
0.235
1.20
Min
BAT
4.7
47
—
—
—
—
—
—
—
2
3
1
-
(typical) + 1.0V]
+
100 mV
150 mV
V
V
0.250
0.01
1.23
Typ
BAT
BAT
150
-40
5.5
—
—
50
40
—
—
10
DD
+
+
REG
= [V
).
V
REG
250 mV
V
DD
0.265
Max
1.26
BAT
0.8
53
—
—
—
20
—
—
—
—
1
(typical) + 0.3V] to 6V,
- 0.1
+
Units
mV
mV
µA
µA
µA
µF
µF
°C
°C
V
V
V
V
V
V
V
© 2007 Microchip Technology Inc.
V
V
V
Stand-by Or System Test
Mode
I
I
2.3V < V
V
2.3V < V
V
2 kΩ < R
OUT
OUT
TE
T1
T2
DD
DD
Low to High
High to Low
= V
Falling
Rising
< 250 mA
> 250 mA
DD
BAT
BAT
Conditions
THERM
< V
< V
DD
REG
REG
< 50 kΩ
) = V
USB