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ISL9220 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Switching Charger - Intersil

भाग संख्या ISL9220
समारोह Switching Charger
मैन्युफैक्चरर्स Intersil 
लोगो Intersil लोगो 
पूर्व दर्शन
1 Page
		
<?=ISL9220?> डेटा पत्रक पीडीएफ

ISL9220 pdf
ISL9220, ISL9220A
www.DataSheet4U.com
Pin Descriptions
PIN
1
2
3
4
5
6
7
8
9
10, 11
12
13, 14
15, 16
17
18
19
20
SYMBOL
STAT2
EN
AGND
ISET1
ISET2
VBAT
ISNS
CISP
CISN
VIN
VHI
SW
PGND
VBIAS
RTH
TIME
STAT1
EPAD
DESCRIPTION
Open-drain indication pin. In conjunction with STAT1 this pin provides a unique indication for each
charging state of the cycle. This pin is capable to sink 10mA minimum current to drive an LED.
IC enable input. Drive this pin to logic LO to enable the charger. Drive this pin to logic HI to disable
the charger. Do not leave this pin floating.
Analog ground.
Charge current programing pin. Connect a resistor between this pin and the GND pin to set the
charge current.
End-of-charge current programing pin. Connect a resistor between this pin and the GND pin to set
the end-of-charge current.
Battery connection pin. Connect this pin to the battery. A 10μF or larger X5R ceramic capacitor is
recommended for decoupling and stability purposes.
Output current sense pin. Connect a current sense resistor from this pin to VBAT. No decoupling
capacitor is needed at this pin.
Input current sense positive connection pin. Connector a sense resistor from this pin the CISN.
Input current sense negative connection pin. Connector a sense resistor from this pin the CISP.
Input supply voltage. Connect a 4.7μF ceramic capacitor from VIN to PGND.
High side NMOS FET gate drive supply pin. Connect a Schottky diode from VBIAS to this pin, and a
0.1mF capacitor to AGND, as shown in the Typical Application Circuits.
Switch node and inductor connection pin.
Power ground.
Internal 5V regulator output. Connect a 1μF ceramic capacitor from this pin to AGND.
Input for an external NTC thermistor for battery temperature monitoring.
The TIME pin sets the oscillation period by connecting a timing capacitor between this pin and GND.
The oscillator also provides a time reference for the charger. The timer function can be disabled by
connecting the TIME pin to GND. If the timer is disabled, there will be no timeout function for any
operation mode including trickle charge and fast charge modes.
Open-drain indication pin. In conjunction with STAT2 this pin provides a unique indication for each
charging state of the cycle. This pin is capable to sink 10mA minimum current to drive an LED.
Exposed pad. Connect to GND electrically. Thermally, connect as much as possible copper to this pad
either on the component layer or other layers through thermal vias to enhance the thermal
performance.
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
PART MARKING
TEMP. RANGE
(°C)
PACKAGE
Tape & Reel
(Pb-free)
PKG.
DWG. #
ISL9220IRTZ-T
92 20IRTZ
-40 to +85
20 Ld 4x4 TQFN
L20.4x4E
ISL9220AIRTZ-T
922 0AIRTZ
-40 to +85
20 Ld 4x4 TQFN
L20.4x4E
ISL9220EVAL1Z
Evaluation Board
ISL9220AEVAL1Z
Evaluation Board
NOTES:
1. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach
materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both
SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL9220, ISL9220A. For more information on MSL
please see techbrief TB363.
2 FN6936.1
July 2, 2010

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