계산 툴
데이터시트
TPS40400
- Input Operating Voltage Range: 3 V to 20 V
- PMBus Enabled Analog Controller
- Reference 600 mV ± 1%
- Remote Voltage Sense Amplifier
- Internal 6-V Regulator and 6-V Gate Drive
- Programmable Overcurrent Protection
- Inductor Resistance or Series Resistance Used for Current Sensing
- Programmable Switching Frequency: 200 kHz to 2 MHz
- Powergood Indicator
- Thermal Shutdown
- Programmable Soft-Start
- Internal Bootstrap Diode
- Prebias Output Safe
- 24-Pin QFN Package
The TPS40400 is a cost-optimized flexible synchronous buck controller that operates from a nominal 3-V to 20-V supply. This controller is an analog PWM controller that allows programming and monitoring through the PMBus™ interface. Flexible features found on this device include programmable soft-start time, programmable short circuit limit, and programmable undervoltage lockout (UVLO).
An adaptive anti-cross conduction scheme is used to prevent shoot through current in the power FETs. Gate drive voltage is 6 V to better enhance the power FETs for reduced losses. Short circuit detection occurs by sensing the voltage drop across the inductor or across a resistor placed in series with the inductor. A PMBus programmable threshold is compared to this voltage and is used to detect overcurrent. When the overcurrent threshold is reached, a pulse by pulse current limit scheme is used to limit the current to acceptable levels. If the overcurrent condition persists for more than 7 clock cycles of the converter, a fault condition is declared and the converter shuts down and goes into either a hiccup restart mode or latches off. The behavior can be selected through the PMBus interface. Other PMBus interface features include programmable operating frequency, soft-start time, overvoltage and undervoltage thresholds and the response to those events, output voltage change including margining as well as status monitoring.
기술 문서
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모두 보기9 | 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPS40400 3-V to 20-V PMBus Synchronous Buck Controller datasheet (Rev. D) | PDF | HTML | 2016/11/07 |
| User guide | TPS40400 Buck Controller Evaluation Module User's Guide (Rev. A) | PDF | HTML | 2022/01/03 | |
| Analog Design Journal | Maximizing power density and thermal performance in power-module designs | 2018/12/12 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018/06/25 | ||
| Selection guide | DC/DC Buck Controller Solutions Selection Guide | 2018/02/06 | ||
| Application note | SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC | 2016/02/22 | ||
| Technical article | Select the correct PMBus POL solution for your application | PDF | HTML | 2015/08/03 | |
| Analog Design Journal | 2Q 2012 Issue Analog Applications Journal | 2012/04/26 | ||
| Analog Design Journal | Remote sensing for power supplies | 2012/04/26 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
평가 보드
TPS40400EVM-351 — TPS40400 PMBus 동기 벅 컨트롤러용 평가 모듈
The TPS40400EVM-351 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS40400 PMBus Synchronous Buck Controller in a typical single output application. The EVM is designed to use a regulated 8Vdc to 14Vdc bus to produce a regulated output of 1.2Vdc at a maximum of (...)
애플리케이션 소프트웨어 및 프레임워크
FUSION_DIGITAL_POWER_DESIGNER — 디지털 전원 소프트웨어
Fusion Digital Power™ GUI(그래픽 사용자 인터페이스) 소프트웨어는 선별된 텍사스 인스트루먼트 디지털 파워 컨트롤러와 시퀀서/상태 모니터를 구성하고 모니터링하는 데 사용됩니다. 이 애플리케이션은 PMBus 프로토콜을 사용하여 TI USB 어댑터를 경유, 직렬 버스를 통해 장치와 통신합니다.
드라이버 또는 라이브러리
PMBUSSW-LINUX — PMBUS용 Linux 드라이버
The Linux driver supports PMBus controlled Buck Controllers. The Linux driver supports communication through the PMBus and interfaces with the HWMon framework.
Linux Mainline Status
Available in Linux Main line: Yes
Available through git.ti.com: N/A
Supported Devices:
- tps40400
- tps40422
- tps544b20
- tps544b25
- (...)
시뮬레이션 모델
TPS40400 Unencrypted PSpice Transient Model Package (Rev. A)
SLUM560A.ZIP (221 KB) - PSpice Model
레퍼런스 디자인
PMP11140 — TPS40400 4A에서 1.8V를 제공하는 PMBus를 지원하는 스텝다운 레귤레이터 레퍼런스 디자인
PMP11140 is a single-phase switching regulator accepting an input range of 4.5V to 13.2V and providing an output voltage of 1.8V capable of supplying 4A of current. This reference design shows 1.8Vout, 4A (3A without a fan) for CPU I/O and other applications in a 22cm by 12.6cm single sided (...)
레퍼런스 디자인
PMP21440 — 비교: 0.8V/8W GaN 대 실리콘 전원 공급 장치 레퍼런스 설계
This reference design provides customers with a comparison study on the usage of GaN vs SI in power supply designs. This specific design uses TPS40400 controller to drive CSD87381 for the silicon power supply and LMG1210 with EPC2111 for the GaN power supply to provide 0.8V/10A. This design (...)
레퍼런스 디자인
PMP20084 — 0.9V/10A PMBus POL 전원 레퍼런스 디자인
This reference design is a 3.3Vin to 0.9V @ 10A power supply in a small form-factor, cost-effective design. It uses the TPS40400 controller in conjunction with the CSD87381P (a high and low side FET IC). The TPS40400 features full PMBUS telemetry for enhanced monitoring and control. The (...)
레퍼런스 디자인
PMP20080 — 12VDC 입력, 하이브리드 메모리 큐브(HMC) 일반 2 전원 공급 장치 레퍼런스 디자인
The PMP20080 is a powerful design intended to operate 5 output rails with application to a Hybrid Memory Cube (HMC) Gen2. This design uses 5 synchronous bucks with multiple different controllers to allow for a well regulated set of outputs. Also, PMP20080 allows for the configurability that comes (...)
레퍼런스 디자인
PMP10520 — Xilinx Virtex® UltraScale™ FPGA 멀티 기가비트 트랜시버(MGT) 전원 솔루션
The PMP10520 reference design provides all the power supply rails (1V/20A, 1.2V/30A, 1.8V/4A) necessary to power the multi-gigabit transcievers (MGT) in Xilinx's Virtex® Ultrascale™ FPGAs. This design uses a 5V input and has a PMBus interface for current and voltage (...)
레퍼런스 디자인
PMP9475 — PMBus 지원 Xilinx Virtex UltraScale FPGA 전원 솔루션 레퍼런스 디자인
The PMP9475 12V-input reference design provides all the power supply rails necessary to power Xilinx's Virtex® UltraScale™ family of FPGAs in a compact, highly efficient design. This design uses several of TI's PMBus Point-Of-Load voltage regulators for ease of (...)
레퍼런스 디자인
PMP9408 — PMBus 지원 Xilinx Virtex Ultrascale FPGA MGT(멀티 기가비트 트랜시버) 전원 레퍼런스 디자인
The PMP9408 reference design provides all the power supply rails necessary to power the multi-gigabit transcievers (MGT) in Xilinx's Virtex® Ultrascale™ FPGAs. It utilizes a PMBus interface for current and voltage monitoring and meets Xilinx's low output voltage ripple (...)
레퍼런스 디자인
PMP9407 — PMBus 지원 Xilinx Virtex Ultrascale FPGA MGT(멀티 기가비트 트랜시버) 전원 레퍼런스 디자인
The PMP9407 reference design provides all the power supply rails necessary to power the multi-gigabit transcievers (MGT) in Xilinx's Virtex® Ultrascale™ FPGAs. This design uses a 5V input and has a PMBus interface for current and voltage monitoring, margining, timing delays, and (...)
레퍼런스 디자인
PMP9463 — PMBus 지원 Xilinx Ultrascale Kintex FPGA 멀티 기가비트 트랜시버(MGT)용 전원 레퍼런스 디자인
The PMP9463 reference design provides all the power supply rails necessary to power the multi-gigabit transcievers (MGT) in Xilinx's Ultrascale™ Kintex® FPGAs. It utilizes a PMBus interface for current and voltage monitoring and meets Xilinx's low output voltage ripple (...)
| 패키지 | 핀 | 다운로드 |
|---|---|---|
| VQFN (RHL) | 24 | 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