SI9731_09 VISHAY [Vishay Siliconix], SI9731_09 Datasheet - Page 3

• Manufacturer Part Number: SI9731_09
• Description: uP Controlled Battery Charger for 1-Cell Li-ion or 1-Cell to 3-Cell NiCd/NiMH Batteries
• Manufacturer: VISHAY [Vishay Siliconix]

Notes:
a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
b. Typical values are for DESIGN AID ONLY, not guaranteed or subject to production testing.
c. Guaranteed by design and characterization, not subject to production testing.
Document Number: 71321
S09-2249-Rev. C, 26-Oct-09
SPECIFICATIONS
Parameter
Quiescent Current (Normal Mode)
Quiescent Current (Shutdown Mode)
Feedback Resistor
Battery Leakage Current
Q1 ON Resistance
Q2 ON Resistance
Q5 ON Resistance
Over Voltage Detect Threshold
Over Voltage Detect Threshold Hysteresis
CHARGERPRESENT and
CHARGERPOWER_ON
CHARGERPRESENTIN,
CHARGERPOWER_ONIN,
TRICKLECHARGEEN,
MAINCHARGEEN or
CVMODE
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Shutdown High Voltage Logic Level
Shutdown Low Voltage Logic Level
Shutdown Hysteresis
c
Output High
Output Low
c
Logic High
Logic Low
Pull Down
Leakage
Current
Voltage
Current
Voltage
Voltage
c
I
I
IN(VCHARGER Pin)
IN(VCHARGER Pin)
V
V
I
V
R
PIN13
CHARGER(OVD)
CHARGER(OVD)
V
V
OFF-Mode
Q1 R
Q2 R
Q5 R
ON-Mode
ON/OFF(high)
ON/OFF(hyst)
FB2
ON/OFF(low)
Symbol
T
R
_HYS
T
V
I
HYST
I
V
V
P/D
OH
FB1
S/D
+ R
+ I
OL
DS(on)
DS(on)
DS(on)
IL
IH
PIN14
FB3
V
3.0 V ≤ V
CHARGER
V
BAT+
Test Conditions Unless Specified
V
Rising Edge of Battery Charger
ON/OFF
= 4.2 V
CHARGER
1 mA ≤ I
- 40 °C < T
= 4.5 V
= 0 V, V
Pin 12 to Pin 14
Pin 12 to GND
V
I
OL
OH
BAT+
≤ 6.5 V, V
= 1 mA
= 6.5 V
TRICKLECHARGEEN
A
CHARGER
MAINCHARGEREN
CVMODE ≥ 1.5 V
< + 85 °C
≤ 600 mA
V
V
CHARGER
ON/OFF
≥ 1.5 V
≤ 0.4 V
ON/OFF
= 4.5 V
= 0 V
= 0 V
= 1.5 V
Min.
12.0
1.5
1.5
- 1
- 1
Vishay Siliconix
a
Typ.
12.8
130
100
0.1
0.1
0.1
0.4
0.1
0.7
41
10
1
1
6
6
b
www.vishay.com
Max.
Si9731
13.4
400
0.4
0.4
0.3
10
10
3
1
1
2
2
a
Unit
mΩ
mA
mV
µA
kΩ
µA
µA
µA
°C
Ω
V
V
V
3