CM9112 Datasheet, PDF (4/18 Pages) California Micro Devices Corp – Dual Inputs Dual Outputs High Accurate Fast Charger

PRELIMINARY
CM9112
Specifications (cont’d)
ELECTRICAL OPERATING CHARACTERISTICS ^{(SEE NOTE 1)}
SYMBOL PARAMETER
I_SHDN
Shutdown Supply Current
I_REV
Battery Reverse Current
VAD/USB Supply Voltage
UVLO_VAD UVLO threshold for VAD
OVP_VAD OVP threshold for VAD
UVLO_{HYS_VAD} UVLO,OVP Hysterezis for
VAD
I_{IN_AD}
Total input current under
Adaptor input
CONDITIONS
ENA = "LOW", excluding
current to STAT1, STAT2
and THERM pins.
Both AC Adapter and
USB removed
V_IN=5.0V; Adaptor in
I_{IN_USB}
Total input current with USB V_IN=5.0V; USB in, Adap­
plugged-in and Adapter out _{tor out}
MIN
4.75
6.2
TYP
50
0.5
4.8
6.4
300
I_{IN_AD} =
I_{SYS +} I_VOUT
MAX
100
1
4.85
6.5
1700
I_{IN_USB}
=
UNITS
µA
µA
V
V
mV
mA
mA
USB switch Rds(on)
Charger Function
I_PR
Precharge Mode Current
I_{IN_USB} = 500mA
V_OUT < 3.2V; Adaptor in 0.85 x I_PR
150
I_{VOUT =}
-----------2---5----0---0------------
R _{S E T 1 ( k Ω )}
200
mΩ
1.14 x I_PR mA
I_PR
=
---------2----5---0-----------
R_{S E T 2 (k Ω )}
V_OUT < 3.2V; USB in,
Adaptor out
0.85 x I_PR
I_{VOUT =}
1.14 x I_PR mA
I_PR
=
---------2----5---0-----------
R_{S E T 1 (k Ω )}
V_CC
CC Mode Voltage Threshold
3.20
3.30
3.40
V
I_CC
CC Mode Charging Current V_OUT > 3.5V; Adaptor in 0.92 x I_CC
I_{VOUT =}
1.08 x mA
I_CC
=
--------2---5---0----0---------
R_{S E T 2 (k Ω )}
I_CC
V_OUT > 3.5V; USB in,
0.92 x I_CC
I_{VOUT =}
1.08 x mA
Adaptor out
I_CC
=
--------2---5---0----0---------
R_{S E T 1 (k Ω )}
I_CC
V_CV
CV Mode Voltage Threshold
4.190
4.200
4.210
V
I_TERM
Charging Termination Cur­ V_OUT > 4.190V; Adapter
0.8 x
I_{VOUT =}
1.2 x
mA
rent
in
I_TERM
I_TERM
=
-----------2---5-------------
R_{S E T 2 (k Ω )}
I_TERM
V_OUT > 4.190V; USB in,
0.8 x
I_{VOUT =}
1.2 x
mA
Adapter out
I_TERM
I_TERM
=
-----------2---5------------
R_{S E T 1 ( k Ω )}
I_TERM
V_RCH
Recharge Mode Threshold
4.090
4.100
4.110
V
© 2006 California Micro Devices Corp. All rights reserved.
4 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 lTel: [phone] lFax: [phone] lwww.cmd.com
07/06/06