Api9221, New prod uc t electrical characteristics – Diodes API9221 User Manual
Page 6
API9221
CAR/WALL or USB SUPPLY INPUT LITHIUM BATTERY
CHARGER with OVP USB BYPASS and 10mA LDO
API9221
Document number: DS32204 Rev. 2 - 2
6 of 15
November 2011
© Diodes Incorporated
NEW PROD
UC
T
Electrical Characteristics
(cont.)
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
V
IUSB
IUSB Pin Output Voltage
V
BAT
= 3.8V
1.22 1.25 1.28 V
I
USB_CHRG
VUSB Constant Current
R
IUSB
= 29.4k
Ω,
V
BAT
= 2.7V to 3.8V
180 232 260
mA
I
USB_TRKL
VUSB Trickle Charge Current
R
IUSB
= 29.4k
Ω,
V
BAT
= 2.2V and if
I
USB_CHRG
≤ I
VDC_TRKL
,
then given as a % of the
I
USB_CHRG
15 17 19
%
If I
USB_CHRG
≤
I
VDC_TRKL
-
I
USB_CHRG
- %
I
MIN
DC and USB End-of-Charge
Threshold
R
MIN
= 10k
Ω
40 55 70
mA
PRECONDITIONING CHARGE THRESHOLD
V
MIN
Preconditioning Charge
Threshold Voltage
2.5
2.6
2.7
V
RECHARGE THRESHOLD
V
RCH
Recharge Threshold Voltage
3.8
3.9
4.0
V
PROTECTIONS
OVP
VDC
VDC Overvoltage Level
6.7
6.9
7.1
V
HOVP
VDC
VDC Overvoltage Hysteresis
-
240
340
mV
OVP
VUSB
VUSB Overvoltage Level
5.3
5.4
5.55
V
HOVP
VUSB
VUSB Overvoltage Hysteresis
-
150
200
mV
I
OCP
Short Circuit (USB_BYP)
-
400
600
mA
BYPASS FETS
USB_R
DS(ON)
Resistance VUSB to USB_BYP
Measured at 200mA,
4.3V < V
DC
< 5.3V
- 1.16 2.0
Ω
VUSB
DO
Dropout VUSB to USB_BYP
I
OUT
= 150mA
V
VUSB
> 4.3V
- 200 -
mV