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C1608X7R0J225K Datasheet(PDF) 1 Page - Intersil Corporation

Part # C1608X7R0J225K
Description  Integrated Automotive TFT-LCD Power Supply Regulator
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

C1608X7R0J225K Datasheet(HTML) 1 Page - Intersil Corporation

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Integrated Automotive TFT-LCD Power Supply Regulator
ISL78419
The ISL78419 is an integrated power management IC (PMIC) for
TFT-LCDs used in central display, rear seat entertainment and
virtual dashboards. The device integrates a boost converter for
generating AVDD, an LDO regulator for VLOGIC. VON and VOFF are
generated by a charge pump driven by the switch node of the
boost converter. The ISL78419 also includes a VON slice circuit,
reset function, and a high performance VCOM amplifier with a
Digitally Controlled Potentiometer (DCP) that is used as a VCOM
calibrator.
The AVDD boost converter features a 1.5A/0.18Ω boost FET with
600kHz/1200kHz switching frequency.
The integrated logic LDO includes a 350mA FET for driving the low
voltage needed by external digital circuitry.
The gate pulse modulator can control the gate voltage up to 30V,
and both the rate and slew delay times are selectable.
The supply monitor generates a reset signal when the system is
powered down based on a user selected threshold level
(programming resistor).
The ISL78419 provides a digitally controlled VCOM output using
I2C interface. One VCOM amplifier is also integrated in the chip to
provide a fast slewing 150mA drive (sourcing or sinking). The
output of the VCOM is powered up with the voltage stored at the
last programmed 8-bit (internal) EEPROM setting.
The ISL78419 is rated to operate over the temperature range
of (-40°C to +105°C) and is qualified according to AEC Q100.
Features
• 2.5V to 5.5V input
•1.5A, 0.18Ω integrated boost FET
•VON/VOFF supplies generated by charge pumps driven by the
boost switch node
• LDO for VLOGIC channel
• 600kHz/1200kHz selectable switching frequency
• Integrated gate pulse modulator
• Reset signal generated by supply monitor
• Integrated VCOM amplifier
•DCP
-I2C serial interface, address: 0101000, MSB left
- Wiper position stored in 8-bit nonvolatile memory and
recalled on power-up
- Endurance, 1,000 data changes per bit
• UVLO, UVP, OVP, OCP, and OTP protection
• Pb-free (RoHS compliant)
• 28 Ld 4x5 QFN
• AEC Q100 qualified
Applications
• Automotive TFT displays
- Central displays, rear seat entertainment and dashboards
Pin Configuration
ISL78419 (28 LD 4x5 QFN)
TOP VIEW
FB
PGND
CE
RE
VGH
VGHM
VFLK
L_IN
CD2
L_OUT
RESET
ADJ
VDIV
NEG
1
2
3
4
5
6
7
22
21
20
19
18
17
16
28
27
26
25
24
23
9
101112
13
14
VDPM
8
VOUT
15
GND
THERMAL
PAD
January 24, 2014
FN8292.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Copyright Intersil Americas LLC 2012, 2014. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.


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