TPS54A24 Synchronous Step-Down Converter

Specifications

Product Overview

TPS54A24 is a Texas Instruments synchronous step-down converter categorized under Power_Management. It is specified for recommended operation from 4.5 to 17 V input, with a 0.6 to 12 V output range and 10 A output current capability. Switching operation is covered from 200 to 1600 kHz in RT mode and PLL synchronization mode.

The control and monitoring specifications include a 0.6 V ±0.85% reference voltage over temperature, regulated FB voltage limits at 25 °C and across -40 °C to 150 °C, VIN undervoltage-lockout thresholds, EN rising and falling thresholds, soft-start current, SS/TRK-to-FB matching, PGOOD overvoltage and undervoltage thresholds, and thermal protection at a typical 170 °C trip point with 15 °C hysteresis.

The device is supplied in an RTW 24-pin WQFN package with a 4.00 mm x 4.00 mm body. Assembly and thermal design can reference the extracted RTW thermal metrics, including junction-to-ambient resistance values for JEDEC and EVM conditions, junction-to-case, junction-to-board, characterization parameters, and junction-to-case bottom resistance.

Key Features

• 4.5 to 17 V recommended input voltage range
• 0.6 to 12 V recommended output voltage range
• 10 A recommended output current capability
• 200 to 1600 kHz RT and PLL switching range
• 0.6 V ±0.85% reference voltage over temperature
• Integrated 21 mΩ high-side switch at 12 V
• Integrated 8 mΩ low-side switch at 12 V
• PGOOD overvoltage and undervoltage threshold monitoring
• EN input with 50 mV typical threshold hysteresis
• Thermal protection trips at 170 °C typical
• RTW 24-pin WQFN, 4.00 mm square package
• HBM ±2000 V and CDM ±500 V ESD ratings

Typical Applications

• Step-down power rails
• 10 A point-of-load conversion
• 4.5 to 17 V input systems
• 0.6 to 12 V regulated outputs
• Synchronized switching supplies
• Power rails needing PGOOD monitoring
• Thermally constrained WQFN designs
• Enable-controlled converter rails

Procurement Notes

When requesting a quote for TPS54A24, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.

If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.

For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.