Api9221, New prod uc t electrical characteristics – Diodes API9221 User Manual
Page 5
API9221
CAR/WALL or USB SUPPLY INPUT LITHIUM BATTERY
CHARGER with OVP USB BYPASS and 10mA LDO
API9221
Document number: DS32204 Rev. 2 - 2
5 of 15
November 2011
© Diodes Incorporated
NEW PROD
UC
T
Electrical Characteristics
API9221 is tested at VDC = VUSB = 5V at an ambient temperature of +25°C unless otherwise noted.
Symbol
Parameter
Test Conditions
Min
Typ.
Max
Unit
CHARGER POWER-ON THRESHOLDS
VPO
R
Rising VUSB/VDC Threshold
3.4 3.9 4.2 V
VPO
F
Falling VUSB/VDC Threshold
3.2 3.7 4.0 V
INPUT VOLTAGE OFFSET
VOS
HC
Rising VDC or VUSB, relative
to V
BAT
V
BAT
= 4.0V, use
CHG
pin to indicate the
comparator output
- 150
250
mV
VOS
LC
Falling VDC or VUSB, relative
to V
BAT
V
BAT
= 4.0V, use
CHG
pin to indicate the
comparator output
20 80 - mV
STANDBY CURRENT
I
STANDBY
BAT Pin Sink Current
EN = HIGH or both inputs
are floating
- 0.05 0.5
µA
I
VDC
VDC Pin Supply Current
EN = HIGH, I
LDO
= 0
- 380
460
µA
I
VUSB
VUSB Pin Supply Current
EN = HIGH, USB_BYP
disconnected
- 330
400
µA
I
VDC_VUSB
VDC/VUSB Pin Supply Current
EN = LOW, I
LDO
= 0,
USB_BYP disconnected
- 0.63 1.1
mA
VOLTAGE REGULATION
V
BATMAX
Final Output Voltage, BAT Pin
Load = 10mA
4.158
4.2
4.242
V
Load = 10mA
(T
J
= +25°C)
4.174 4.2 4.226 V
R
DS(ON)_VDC
VDC Linear ON-resistance
V
BAT
=3.8V, I
VDC
= 0.3A,
(T
J
= +25°C)
- 550 - m
Ω
R
DS(ON)_VUSB
VUSB Linear ON-resistance
V
BAT
= 3.8V, I
USB
= 0.3A,
(T
J
= +25°C)
- 550 - m
Ω
CHARGE CURRENT
V
IVDC
VDC Pin Output Voltage
V
BAT
= 3.8V
1.22 1.25 1.28 V
I
VDC_CHRG
VDC Constant Current
R
IVDC
= 12.4k
Ω,
V
BAT
= 2.7V to 3.8V
450 550 600 mA
I
VDC_TRKL
VDC Trickle Charge Current
R
IVDC
= 12.4k
Ω,
V
BAT
= 2.2V, given as a %
of the I
VDC_CHARGE
15 17 19 %