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| ISL6294_14 Datasheet, PDF (4/9 Pages) Intersil Corporation – High Input Voltage Charger | |||
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Typical Applications
ISL6294
TO INPUT
C1
VIN
BAT
RIREF
IREF
ISL6294
IMIN
RIMIN
TO BATTERY
R1
R2
C2
D1
D2
OFF
EN
ON
CHG
PPR
GND
FIGURE 1. TYPICAL APPLICATION CIRCUIT INTERFACING TO INDICATION LEDs
COMPONENT DESCRIPTION FOR FIGURE 1
PART
DESCRIPTION
C1
C2
RIREF
RIMIN
R1, R2
D1, D2
1μF X5R ceramic cap
1μF X5R ceramic cap
24.3kΩ, 1%, for 500mA charge current
243kΩ, 1%, for 45mA EOC current
300Ω, 5%
LEDs for indication
COMPONENT DESCRIPTION FOR FIGURE 2
PART
DESCRIPTION
C1
C2
RIREF
RIMIN
R1, R2
1μF X5R ceramic cap
1μF X5R ceramic cap
24.3kΩ, 1%, for 500mA charge current
243kΩ, 1%, for 45mA EOC current
100kΩ, 5%
TO INPUT
C1
OFF
ON
VIN
EN
GND
ISL6294
BAT
IREF
IMIN
RIREF
RIMIN
TO BATTERY
C2
VCC
CHG
PPR
R1
R2
FIGURE 2. TYPICAL APPLICATION CIRCUIT WITH THE INDICATION SIGNALS INTERFACING TO A MCU
4
FN9174.4
July 9, 2007
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