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다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
TPS56221
- 4.5-V to 14-V Input Voltage Range
- Incorporates Power Block Technology
- Up to 25-A Output Current
- Fixed-Frequency Options of 300 kHz, 500 kHz,
and 1 MHz - High-Side and Low-Side MOSFET RDS(on) Sensing
- Programmable Soft-Start
- 600-mV Reference Voltage With 1% Accuracy
- Voltage Mode Control with Feed-Forward
- Supports Prebiased Output
- Thermal Shutdown
- 22-Pin 5-mm × 6-mm PQFN PowerPAD™ Package
- For SWIFT Power Products Documentation,
see http://www.ti.com/swift
The TPS56221 device is a high-efficiency and high-current synchronous buck converter designed to operate from a supply from 4.5 V to 14 V. The device can produce an output voltage as low as 0.6 V at loads up to 25 A. Integrated NexFET™ Power MOSFETs provide a small footprint and ease of use.
The device implements a voltage-mode control with voltage feed-forward compensation that responds instantly to input voltage change.
The TPS56221 is available in a thermally enhanced 22-pin PQFN (DQP) PowerPAD package.
The device offers design flexibility with a variety of user programmable functions, including soft-start, overcurrent protection (OCP) levels, and loop compensation. OCP levels are programmed by a single external resistor connected from the ILIM pin to the circuit ground. During the initial power-on sequence, the device enters a calibration cycle, measures the voltage at the ILIM pin, and sets an internal OCP voltage level. During operation, the programmed OCP voltage level is compared to the voltage drop across the low-side FET when it is on to determine whether there is an overcurrent condition. It then enters a shutdown/restart cycle until the fault is removed.
기술 문서
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모두 보기10 | 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPS56221 4.5-V to 14-V Input, High-Current, Synchronous Buck SWIFT™ Converter datasheet (Rev. D) | PDF | HTML | 2016/02/09 |
| Application note | Semiconductor and IC Package Thermal Metrics (Rev. D) | PDF | HTML | 2024/03/25 | |
| EVM User's guide | TPS56221 Step-Down Converter Evaluation Module User's Guide (Rev. B) | PDF | HTML | 2021/07/30 | |
| Application note | Calculating Efficiency (Rev. A) | 2020/03/06 | ||
| Selection guide | SWIFT DC/DC Converters Selector Guide (Rev. G) | 2019/02/06 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018/06/25 | ||
| Application note | Analysis and Design of Input Filter for DC-DC Circuit | 2017/11/27 | ||
| Application note | Demystifying Type II and Type III Compensators Using Op-Amp and OTA for DC/DC Co | 2014/07/11 | ||
| Application note | PowerStack™ Packaging Technology Overview | 2011/07/18 | ||
| Application note | Understanding Thermal Dissipation and Design of a Heatsink | 2011/05/04 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
평가 보드
TPS56221EVM-579 — TPS56221 고전류(25A) 동기 스텝다운 SWIFT™ 컨버터용 평가 모듈
The Texas Instruments TPS56221EVM-579 evaluation module (EVM) helps designers evaluate the operation and performance of the TPS56221 4.5V to 14V Input, 25A High Current Synchronous Step-Down Converter. The EVM is designed to use a regulated 12V (8V to 14V) bus voltage to provide a regulated 1.0-V (...)
시뮬레이션 모델
TPS56121/221 Unencrypted PSpice Average Model Package (Rev. A)
SLUM235A.ZIP (449 KB) - PSpice Model
시뮬레이션 모델
TPS56221 TINA-TI Steady-State Reference Design
SLUM203.TSC (694 KB) - TINA-TI Reference Design
시뮬레이션 모델
TPS56221 Unencrypted PSpice Transient Model Package (Rev. A)
SLUM140A.ZIP (100 KB) - PSpice Model
레퍼런스 디자인
PMP7047 — TI TMS320 TCI6634를 제공하는 VID 인터페이스를 지원하는 고성능 벅 컨버터
The PMP7047 reference design uses the TPS56221 25A buck converter with the LM10010 6-bit VID interface chip to enable Adaptive Voltage Scaling (AVS) and tight voltage regulation of the TMS320 TCI6634 DSP core rail. At 300KHz switching frequency it is optimized for high efficiency and low (...)
| 패키지 | 핀 | 다운로드 |
|---|---|---|
| LSON-CLIP (DQP) | 22 | 옵션 보기 |
주문 및 품질
포함된 정보:
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
포함된 정보:
- 팹 위치
- 조립 위치