isl9222a Intersil Corporation, isl9222a Datasheet - Page 2

• Manufacturer Part Number: isl9222a
• Description: High Input Voltage Charger
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 30V
JIGIN, IREF, BAT, JIGON, EN, PPR . . . . . . . . . . . . . . . . -0.3V to 7V
Recommended Operating Conditions
Ambient Temperature Range . . . . . . . . . . . . . . . . . . .-40°C to +85°C
Maximum Supply Voltage (VIN Pin). . . . . . . . . . . . . . . . . . . . . . 28V
Operating Supply Voltage (VIN Pin). . . . . . . . . . . . . . . . 4.5V to 6.5V
Programmed Charge Current . . . . . . . . . . . . . . . . 100mA to 900mA
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
Electrical Specifications
POWER-ON RESET
Rising POR Threshold
Falling POR Threshold
VIN-BAT OFFSET VOLTAGE
Rising Edge
Falling Edge
OVERVOLTAGE PROTECTION
Overvoltage Protection Threshold
OVP Threshold Hysteresis
STANDBY CURRENT
BAT Pin Sink Current
VIN Pin Supply Current
VIN Pin Supply Current
VOLTAGE REGULATION
Output Voltage
PMOS ON-Resistance
CHARGE CURRENT (Note 5)
IREF Pin Output Voltage
Constant Charge Current
Trickle Charge Current
PRECONDITIONING CHARGE THRESHOLD
Preconditioning Charge Threshold Voltage
Preconditioning Voltage Hysteresis
INTERNAL TEMPERATURE MONITORING
Charge Current Foldback Threshold
1. θ
2. For θ
Tech Brief TB379.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
2
Typical values are tested at V
values are established under the recommended operating supply voltage range and ambient temperature
range, unless otherwise noted.
(Reference to GND)
I
SYMBOL
V
STANDBY
r
T
DS(ON)
MINHYS
V
V
V
I
V
I
I
V
V
V
I
I
IREF
CHG
FOLD
TRK
POR
POR
OVP
VIN
VIN
MIN
OS
OS
CH
VBAT = 3.0V, use PPR to indicate the
comparator output.
Monitor output current to indicate the
comparator output. (Note 3)
Use PPR to indicate the comparator output.
(Note 4)
VIN floating
Charger disabled
Charger enabled
4.3V < V
V
V
R
R
BAT
BAT
IREF
IREF
= 3.8V, charge current = 0.5A
= 3.8V
IN
= 24.3kΩ, V
= 24.3kΩ, V
ISL9222A
IN
= 5V and the ambient temperature at +25°C. All maximum and minimum
< 6.5V, charge current = 20mA
TEST CONDITIONS
BAT
BAT
Thermal Information
Thermal Resistance
Maximum Junction Temperature (Plastic Package) . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
TDFN Package (Notes 1, 2). . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
= 2.8V - 4.0V
= 2.4V
4.158
1.18
2.45
MIN
100
440
3.5
2.8
6.9
10
70
-
-
-
-
-
-
-
TYP
4.20
1.22
2.55
240
350
500
500
250
115
3.9
3.4
7.2
0.6
90
50
95
-
θ
JA
(°C/W)
59
4.242
MAX
3.50
1.26
2.65
150
400
600
800
550
130
4.4
7.5
1.0
-
-
-
-
θ
July 28, 2008
JC
UNITS
FN6704.0
4.5
(°C/W)
mV
mV
mV
mA
mA
mV
µA
µA
µA
°C
V
V
V
V
Ω
V
V