apm8601 Diodes, Inc., apm8601 Datasheet - Page 6

• Manufacturer Part Number: apm8601
• Description: Dual Channel Single Cell Linear Lithium Battery Charger With 28v Ovp And Programmable Charge Timer
• Manufacturer: Diodes, Inc.

Electrical Characteristics
APM8601
Document number: DS35138 Rev. 1 - 2
APM8601 is tested at V
unless otherwise noted.
EN
POK
R
THFB
THFB
Symbol
TL
TL
I
THM_Pullup
CT
, USEL
TL
TOPOFF
R
Prequal
Top_off
,
THM
CHG
accu
CHG
temp
Gain
,
FLT
Logic Input Thresholds
Logic Input Leakage Current
Logic Output Voltage, Low
Logic Output Leakage Current,
High
Internal Pullup Resistance
THM Resistance, Hot
THM Resistance, Cold
THM Resistance, Disabled
Charge Timer Accuracy
Prequal Time Limit
Charge Time Limit
Top-Off Time Limit
Thermal Foldback Threshold
Temperature
Thermal Foldback Gain
CHG
DC
/ Top-Off Threshold
= V
Parameter
USB
= 5V, V
(Continued)
DUAL CHANNEL SINGLE CELL LINEAR LITHIUM BATTERY
CHARGER WITH 28V OVP and PROGRAMMABLE CHARGE
BAT
= 4V, V
I
V
V
Rising
Falling
T
V
T
I
battery is
charged
R
R
R
C
From entering prequal to
going low, V
From entering fast-charge to
4.2V
From
charger disabled
Junction temperature beyond
which the charge current is
reduced, T
Reduction of I
in T
1.5kΩ
POK
EN
FLT
BAT
EN
POK
www.diodes.com
A
A
DC
THM
THM
THM
CT
= V
= 25ºC
= +25°C
= 0V, R
=
going low, 3V < V
J
=
= V
falling,
= 68nF
I
CHG
(using V
falling, 420Ω hyst. (typ.)
rising, 2.7kΩ hyst. (typ.)
falling, 230Ω hyst. (typ.)
V
USEL
CHG
6 of 14
Test Conditions
CHG
USB
=
I
FLT
=
J
SETI
= 0 to 5.5V,
going high to
= 0V
V
rising
BAT
=
FLT
DC
BAT
1mA
= 2kΩ, C
R
R
R
), R
< 3V
=
SETI
SETI
SETI
5.5V
for increase
SETI
= 1.5kΩ
= 2.0kΩ
= 5.0kΩ
BAT
=
CT
<
FLT
= 68nF, at an ambient temperature of +25°C
3.72
26.7
37.5
Min
260
-20
0.4
0.001
0.001
56.25
+100
34.8
34.8
Typ.
22.5
3.94
28.3
334
315
12
75
10
5
APM8601
© Diodes Incorporated
Max
4.13
29.7
100
370
+20
1.6
December 2010
75
1
1
TIMER
%/ºC
Unit
mA
min
min
min
mV
µA
µA
kΩ
kΩ
kΩ
ºC
%
V
Ω