Apm8600, New prod uc t electrical characteristics – Diodes APM8600 User Manual
Page 5
APM8600
SINGLE CELL LINEAR LITHIUM BATTERY CHARGER
WITH 28V OVP AND PROGRAMMABLE CHARGE TIMER
APM8600
Document number: DS35140 Rev. 1 - 2
5 of 14
December 2010
© Diodes Incorporated
NEW PROD
UC
T
Electrical Characteristics
APM8600 is tested at V
DC
= 5V, V
BAT
= 4V, V
EN
= 0V, R
SETI
= 2k
Ω, C
CT
= 68nF, at an ambient temperature of +25°C unless
otherwise noted.
Note:
5. Guaranteed by testing of undervoltage- and overvoltage-threshold. To completely charge a battery cell, the input voltage must be greater than 4.32V.
Symbol
Parameter
Test Conditions
Min
Typ.
Max
Unit
V
DC
Input Voltage Range
0
28
V
V
DC
Input Operating Range (Note 5)
4.15
7.00
V
UVLO
Input Undervoltage Lock Out
(Note 5)
Input rising, 500mV hysteresis
(typ.) V
BAT
= 3.2V
3.85 4.0 4.15 V
OVLO
Input Overvoltage Lock Out
Input rising, 200mV hysteresis
(typ.)
7.2 7.5 7.8 V
I
DC
Input Supply Current
I
BAT
= 0mA, R
THM
= 10k
Ω
750
1200
µA
I
SHTDWN
Shutdown
Current
EN
= High, T
A
= 25ºC
275
435
µA
R
DS_ON
Input to BAT On-Resistance
Input = 3.7V, V
BAT
= 3.6V
0.5
0.8
Ω
V
DROPOUT
Input to BAT dropout Voltage
Input falling, 200mV hysteresis
(typ.)
5 55
150
mV
V
BAT_REG
Battery Voltage Regulation
I
BAT
= 0mA, T
A
= 25ºC
4.179
4.2
4.221
V
BAT
RSTTH
Battery Fast-Charge Restart
Threshold
From BAT regulation voltage
-230
-175
-110
mV
I
DC_CHG
DC Charge Current
V
USB
= 0V
R
SETI
= 1.5k
Ω 950
1000
1140
mA
R
SETI
= 2.0k
Ω 727
750
870
R
SETI
= 5.0k
Ω 280
300
353
Prequal, R
SETI
= 2k
Ω, V
BAT
= 2.5V
60
75
95
SS Soft-Start
Time
Ramp
time to fast-charge
1.2
ms
V
PREQ_TH
BAT Prequel Threshold
V
BAT
rising, 180mV hysteresis
(typ.)
2.9 3.0 3.1 V
I
LEAK
BAT
Leakage
Current
V
DC
= V
USB
= 0V, V
BAT
= 4.2V
0.001
5
µA
R
SETI
Resistance Range for SETI
Guaranteed by charging current
1.5
5.0
k
Ω