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CM9101-00QE Datasheet(PDF) 4 Page - California Micro Devices Corp

Part # CM9101-00QE
Description  Compact Cost-effective Fast Charger
Download  12 Pages
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Manufacturer  CALMIRCO [California Micro Devices Corp]
Direct Link  http://www.calmicro.com
Logo CALMIRCO - California Micro Devices Corp

CM9101-00QE Datasheet(HTML) 4 Page - California Micro Devices Corp

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PRELIMINARY
CM9101
Specifications (cont’d)
ELECTRICAL OPERATING CHARACTERISTICS (SEE NOTE 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ICC
CC Mode Charging Current, VBSEN > 3.5V
0.92 x ICC
I
CC
2500
R
SET k
( Ω)
-
= -----------------------
1.08 x
ICC
mA
VCV
CV Mode Voltage Threshold
4.190
4.200
4.210
V
ITERM
Charge Termination Current VBSEN > 4.190V
0.8 x
ITERM
I
TERM
100
R
SET k
( Ω)
-
= -----------------------
1.2 x
ITERM
mA
VRCH
Recharge Mode Threshold
4.090
4.100
4.110
V
CT
Constant-temperature
Mode, Limit
(Note 2)
95
105
125
C
OTPLIMIT
Over-temperature Protec­
tion, Limit
(Note 3)
130
140
150
C
OCPLIMIT
Over-current Charging
(OCP), Limit
(Note 4)
0.9
1.0
1.1
A
RDSON
RDSON of Charger MOSFET ICC = 500mA
100
120
150
m
Ω
VREF
VREF
Regulated Voltage VREF
IREF < 1mA
4.190
4.200
4.210
V
VSTB
VSTB
Regulated Voltage VSTB
4.100
4.200
4.300
V
Control Function
IBSEN
BSEN Pin Leakage Current VIN = 0
0.2
1.0
µA
VSTAT
STAT (Open Drain) Output
Low Voltage
ISINK = 5mA
ISINK = 20mA
0.1
0.5
V
V
VIH EN
ENA Input High Level
1.5
V
VIL EN
ENA Input Low Level
0.4
V
Thermistor Function (Note 4, 5)
VBH
Battery HOT Voltage
Threshold (THERM Pin)
VIN = 5.0V
(Note 6)
0.9 x VBH
VBH = 0.5 x VIN
1.1 x VBH
V
VBC
Battery COLD Voltage
Threshold (THERM Pin)
VIN = 5.0V
(Note 6)
0.9 x VBC
VBC = 7/8 x VIN
1.1 x VBC
V
Hysterezis of VBH, VBC
80
100
120
mV
Note 1: VIN = 5.0V. All outputs are on. TA = 25°C unless otherwise specified.
Note 2: When chip temperature reaches 105°C, the IC’s internal thermal limit will maintain this temperature by decreasing the pro­
grammed charge current.
Note 3: When chip temperature reaches 140°C, the IC goes into a latched shutdown mode. It stops charging, stops supplying
VOUT). To resume the charging function, a toggle of VIN is required.
Note 4: This feature can be disabled by connecting the THERM pin to GND.
Note 5: This function requires a Thermistor connected between the THERM pin and GND. Another resistor connected between
THERM pin and VIN is required, its value should equal the Thermistor Hot Value (at 50°C). In order to catch both the 0°C
and 50°C thresholds (typical range for Li-ion battery) use Thermistors following 7/1 ratio (Thermistor COLD/Thermistor
HOT=7).
Note 6: If the battery HOT/COLD detection identifies a condition outside the thresholds, the IC stops charging the battery and waits
for the temperature to return to the normal value.
© 2006 California Micro Devices Corp. All rights reserved.
4
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
l
Tel: 408.263.3214
l
Fax: 408.263.7846
l
www.cmd.com
06/30/06


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