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TI TPS65235RUKRRoHS

Manufacturer
TI
MPN
TPS65235RUKR
LCSC Part #
C456275
Packaging
WQFN-20-EP(3x3)
Customer #
Key Attributes
I2C 1A WQFN-20-EP(3x3) Special Purpose Regulators RoHS
Datasheetpdf iconTI TPS65235RUKR
In-Stock: 1,955
1,955 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.5801$ 0.58
10+$ 0.4567$ 4.57
30+$ 0.4047$ 12.14
100+$ 0.338$ 33.80
500+$ 0.2812$ 140.60
1,000+$ 0.2633$ 263.30
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Special Purpose Regulators
ManufacturerTI
PackagingWQFN-20-EP(3x3)
FeaturesAdjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Overcurrent Protection;Operating status indication
InterfaceI2C
Output Voltage11V~20V
Output Current1A
Operating Temperature-40℃~+125℃
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

Designed for analog and digital satellite receivers, the TPS65235 is a monolithic voltage regulator with I²C interface; specifically to provide the 13-V to 18-V power supply and the 22-kHz tone signal to the LNB down converter in the antenna dish or to the multiswitch box. It offers a complete solution with minimum component count, low power dissipation together with simple design and I²C standard interface.

TPS65235 features high power efficiency. The boost converter integrates a 140-mΩ power MOSFET running at 1 MHz or 500 kHz selectable switching frequency. Drop out voltage at the linear regulator is 0.8 V to minimize power loss. TPS65235 provides multiple ways to generate the 22 kHz signal. Integrated linear regulator with push-pull output stage generates 22-kHz tone signal superimposed at the output even at zero loading. Current limit of linear regulator can be programmed by external resistor with ±10% accuracy. Full range of diagnostic read by I²C is available for system monitoring.

TPS65235 supports advanced DiSEqC 2.x standard with 22-kHz tone detection circuit and output interface.

Features

AI Translation
  • Complete Integrate Solution for LNB and I²C Interface
  • DiSEqC 2.x, and DiSEqC 1.x Compatible
  • Supports 5-V, 12-V and 15-V Power Rail
  • Up to 1000 mA Accurate Output Current Limit Adjustable by External Resistor
  • Boost Switch Peak Current Limit Proportional to LDO Current Limit
  • Boost Converter with 140-mΩ Low Rds(on) Internal Power Switch
  • Boost Switching Frequency 1-MHz or 500-kHz Selectable
  • Dedicated Enable Pin for Non-I²C Application
  • Low Drop Output LDO With Push-pull Output Stage for VLNB Output
  • Built-in Accurate 22-kHz Tone Generator and External Tone Input Support
  • Supports Both External 44-kHz and 22-kHz Tone Input
  • Adjustable Soft-start and 13-V to 18-V Voltage Transition Time
  • 650 mV to 750 mV, 22-kHz Tone Amplitude Selection
  • I²C Registers Accessible with EN Low
  • Short Circuit Dynamic Protection
  • Diagnostics for Output Voltage Level, DiSEqC Tone Input and Output, Current Level, and Cable Connection
  • Thermal Protection Available
  • 20-Lead WQFN 3-mm x 3-mm (RUK) Package

Applications

AI Translation
  • Set Top Box Satellite Receiver
  • TV Satellite Receiver
  • PC card Satellite Receiver
  • Satellite TV