LM5156HPWPR

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LM5156HPWPR

2.2MHZ WIDE INPUT NONSYNCHRONOUS

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  • Mfr. Part #LM5156HPWPR
  • Package
  • Datasheet
  • In Stock5432

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Specifications

Part Status Active
Output Type Transistor Driver
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive
Topology Boost, Flyback, SEPIC
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 2.97V ~ 60V
Frequency - Switching 100kHz ~ 2.2MHz
Duty Cycle (Max) 93%
Synchronous Rectifier No
Clock Sync No
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 14-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package 14-HTSSOP
Base Product Number LM5156
Grade Automotive
Qualification AEC-Q100

Overview

Description

The LM5156HPWPR is a high-performance step-down (buck) regulator from Texas Instruments designed for efficient power conversion in various applications. It features a wide input voltage range of 4.5V to 60V, making it suitable for automotive, industrial, and telecom applications. The regulator can deliver output currents up to 3A and boasts a high efficiency of up to 95%, which helps in minimizing heat dissipation.
Key features include an adjustable output voltage, integrated compensation, and advanced protection mechanisms such as thermal shutdown, cycle-by-cycle current limiting, and input undervoltage lockout. The LM5156HPWPR also employs a synchronous rectification scheme to enhance performance and reduce losses. Its compact package (HTQFP-32) facilitates placement in space-constrained designs, making it ideal for high-density applications.
Overall, the LM5156HPWPR is a versatile and robust solution for designers looking to implement reliable and efficient power management in their systems.

Features

The LM5156HPWPR is a high-performance, synchronous buck regulator designed for power management applications. Key features include:
1. Input Voltage Range: Supports 4.5V to 60V, making it suitable for a wide range of applications.
2. Output Current Capability: Delivers up to 3A of continuous output current.
3. High Efficiency: Achieves efficiency levels up to 95%, reducing thermal output.
4. Adjustable Output Voltage: Configurable output voltage from 0.8V to Vin, allowing flexibility in design.
5. Integrated MOSFETs: Includes high-side and low-side FETs, minimizing external component count.
6. Compensation Network: Features an internal compensation network for ease of design and stability.
7. Switching Frequency: Operates at a selectable frequency of 500kHz or 1MHz, facilitating size reduction in passive components.
8. Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
9. Package: Available in a compact HTQFN package, ideal for space-constrained applications.
These features make the LM5156HPWPR suitable for automotive, industrial, and consumer electronics power supplies.

Package

The LM5156HPWPR is available in a 20-pin HTQFP (Heat Sink Thin Quad Flat Pack) package. This package type allows for effective thermal dissipation and is suitable for various applications in power management.

Pinout

The LM5156HPWPR is a high-voltage synchronous boost controller with a total of 20 pins. It is designed for applications such as battery-powered devices and industrial power supplies.
Pin Functions:
1. VIN: Input voltage.
2. GND: Ground connection.
3. SW: Switch node for the power stage.
4. BOOST: Boost capacitor connection.
5. CSN/USP: Current sense negative input.
6. CSP: Current sense positive input.
7. COMP: Compensation network connection for stability.
8. SS: Soft-start capacitor connection.
9. RAMP: Ramp voltage input for PWM control.
10. FB: Feedback voltage input.
11. PWM: PWM frequency setting.
12. ILIM: Current limit setting.
13. RT: Timing resistor connection for frequency setting.
14. EN: Enable pin to turn the device on/off.
15. PGND: Power ground connection.
16. VCC: Internal supply voltage for the IC.
17. PDRV: Gate driver output for high-side switch.
18. NDRV: Gate driver output for low-side switch.
19. CSP/CSN: Inputs for current sense.
20. NC: No connection.
This configuration allows for efficient power management and control in various applications.

Manufacturer

The LM5156HPWPR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments specializes in designing and producing semiconductors and various integrated circuits. The company is known for its extensive range of products, including analog, embedded processors, and digital signal processors, serving diverse markets such as automotive, industrial, personal electronics, and communications. TI is recognized for its innovation in the field of electronics, providing solutions that enable advancements in technology across multiple industries.

Application

The LM5156HPWPR is a high-voltage boost converter primarily used in applications such as industrial power supplies, battery management systems, LED drivers, and automotive power systems. Its features include wide input voltage range and high efficiency, making it suitable for energy harvesting, portable devices, and powering remote sensors.

Equivalent

The LM5156HPWPR is a high-voltage synchronous buck controller. Equivalent products include the TPS563201 from Texas Instruments, the LTC3833 from Analog Devices, and the MAX17510 from Maxim Integrated. These alternatives offer similar features such as high efficiency, wide input voltage ranges, and synchronous operation, making them suitable for various power management applications. Always check datasheets for specific requirements and compatibility.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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