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TPS84259RKGR

Name: TPS84259RKGR
Rating: 4.7 (12 reviews)

DC DC CONVERTER -3 TO -17V

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資料表 TPS84259RKGR DataSheet
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規格

Part Status	Active
Type	Non-Isolated PoL Module
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	40V
Voltage - Output 1	-3 ~ -17V
Current - Output (Max)	2A
Applications	ITE (Commercial)
Features	OCP, OTP, UVLO
Operating Temperature	-40°C ~ 85°C
Efficiency	86%
Mounting Type	Surface Mount
Package / Case	41-BQFN Module
Size / Dimension	0.43" L x 0.35" W x 0.11" H (11.0mm x 9.0mm x 2.8mm)
Supplier Device Package	41-B1QFN (11x9)
Base Product Number	TPS84259
Control Features	Enable, Active High

概述

Description

The TPS84259RKGR is a high-efficiency step-down power module from Texas Instruments, designed for compact applications requiring low output voltages. It integrates a DC-DC converter and inductor in a single package, simplifying the design process and saving board space. Key specifications include an input voltage range of 4.5V to 17V, output voltage options as low as 0.8V, and up to 2A output current. The device features high efficiency, often exceeding 95%, which helps reduce heat generation.
It includes built-in protections such as overcurrent and thermal shutdown, enhancing reliability in demanding environments. The module operates over a wide temperature range and is ideal for applications in consumer electronics, telecommunications, and industrial systems. The TPS84259RKGR comes in a compact 15mm x 10mm x 5mm package, making it suitable for space-constrained designs. Its ease of use and robust performance make it an excellent choice for engineers looking to streamline power supply designs.

Features

The TPS84259RKGR is a microSiP DC-DC power module from Texas Instruments, known for its compact design and high efficiency. Key features include:
1. Integration: Combines a power inductor, switching regulator, and passives in a small SIP package (7 mm x 10 mm x 3 mm).
2. High Efficiency: Offers efficiency up to 95%, minimizing heat generation and optimizing power usage.
3. Input Voltage Range: Operates with a wide input voltage range from 4.5 V to 17 V.
4. Output Voltage: Adjustable output voltage from 0.8 V to 5.5 V.
5. Load Current: Supports load currents up to 6 A, suitable for various applications.
6. Thermal Performance: Features built-in thermal protection and a wide operating temperature range.
7. Easy Implementation: Simplifies PCB layout with fewer external components required.
8. Soft Start and Power Good: Includes soft-start feature and power good signal for system monitoring.
These features make the TPS84259RKGR ideal for applications in telecom, industrial, and consumer electronics.

Package

The TPS84259RKGR is packaged in a 7 mm x 7 mm QFN (Quad Flat No-lead) package. This type of package is designed for efficient thermal performance and space-saving in electronic applications.

Pinout

The TPS84259RKGR is a microSiP DC-DC step-down power module from Texas Instruments with a pin count of 15.
### Pin Functions:
1. VIN: Input voltage (2.5V to 17V).
2. GND: Ground reference.
3. SW: Switch node connection.
4. VOUT: Output voltage (set via external resistors).
5. COMP: Compensation node for stability.
6. CSN: Current sensing negative terminal.
7. CSP: Current sensing positive terminal.
8. EN: Enable pin (active high).
9. PG: Power good indicator.
10. FB: Feedback for output voltage regulation.
11. RT: Frequency setting resistor connection.
12. SCL: I2C clock input (if applicable).
13. SDA: I2C data input/output (if applicable).
14. MODE: Switching frequency and operation mode selection.
15. TEST: Test pin, typically not used in standard designs.
This module integrates a complete power solution, allowing for compact designs with high efficiency and minimal external components.

Manufacturer

The TPS84259RKGR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, with a strong focus on analog and embedded processing technologies. Founded in 1930, TI is known for its innovation in the electronics industry, particularly in power management solutions, signal processing, and microcontrollers. The TPS84259RKGR is a microSiP DC-DC step-down power module, highlighting the company's commitment to providing efficient and compact power solutions for a wide range of applications in consumer electronics, industrial systems, and automotive markets.

Application

The TPS84259RKGR is a microSiP DC-DC step-down power module suitable for various applications, including telecommunications, industrial automation, medical devices, and consumer electronics. Its compact design and high efficiency make it ideal for space-constrained environments, powering processors, FPGAs, and sensors in portable and embedded systems.

Equivalent

The TPS84259RKGR is a microSiP DC-DC step-down power module. Equivalent products include:
1. LTM4620 - Linear Technology (Analog Devices)
2. MP2899 - Monolithic Power Systems
3. S-8241 - Seiko Instruments
4. TPS563201 - Texas Instruments
These alternatives provide similar specifications and performance in step-down voltage regulation applications. Always verify compatibility based on specific requirements.