TPS65145PWPR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPS65145PWPR
Manufacturer

TI
ChipWorker Part#

CW8045411
Category

Battery Management IC
Package

HTSSOP-24
Description

4CH LCD Bias w/ Fully Int. Pos. Charge Pump, 3.3V LDO Contr., 0.96A Min. Boost Ilim & Fault Detect 24-HTSSOP -40℃ to 85℃
Documentation

Datasheet

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TPS65145PWPR Specifications

Attribute	Attribute Value

Part Number	TPS65145PWPR
Manufacturer	TI
ChipWorker Part#	CW8045411
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	HTSSOP-24
Frequency	2.1 MHz
Number of Outputs	4 Output
Input Voltage (DC)	5.50V (max)
Output Voltage	≥5.00 V
Supply Current	700 µA
Power Dissipation	3300 W
Quiescent Current	700 µA
Number of Regulated Outputs	4 Output
Output Voltage (Max)	15 V
Output Voltage (Min)	5 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	3300 mW
Supply Voltage	2.7V ~ 5.8V
Input Voltage	2.7V ~ 5.8V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The TPS6514x series offers a compact and small power supply solution to provide all three voltages required by thin film transistor (TFT) LCD displays. The auxiliary linear regulator controller can be used to generate a 3.3-V logic power rail for systems powered by a 5-V supply rail only.
The main output VO1 is a 1.6-MHz fixed frequency PWM boost converter providing the source drive voltage for the LCD display. The device is available in two versions with different internal switch current limits to allow the use of a smaller external inductor when lower output power is required. The TPS65140 and TPS65141 has a typical switch current limit of 2.3 A and the TPS65145 has a typical switch current limit of 1.37 A. A fully integrated adjustable charge pump doubler or tripler provides the positive LCD gate drive voltage. An externally adjustable negative charge pump provides the negative gate drive voltage. Due to the high 1.6-MHz switching frequency of the charge pumps, inexpensive and small 220-nF capacitors can be used.
Additionally, the TPS6514x series has a system power good output to indicate when all supply rails are acceptable. For LCD panels powered by 5 V the device has a linear regulator controller using an external transistor to provide a regulated 3.3-V output for the digital circuits. For maximum safety, the TPS65140 and TPS65145 goes into shutdown as soon as one of the outputs is out of regulation. The device can be enabled again by toggling the input or the enable (EN) pin to GND. The TPS65141 does not enter shutdown when one of its outputs is below its power good threshold.

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