計算工具
TPS40422
- Single Supply Operation: 4.5 V to 20 V
- Output Voltage from 0.6 V to 5.6 V
- Dual-output or Two-Phase Synchronous Buck Controller
- PMBus™ Interface Capability
- Margining Up or Down with 2-mV Step
- Programmable Fault Limit and Response
- Output Voltage, Output Current Monitoring
- External Temperature Monitoring with 2N3904 Transistor
- Programmable UVLO ON and OFF Thresholds
- Programmable Soft-start Time and Turn-On and Turn-Off Delay
- On-Chip Non-volatile Memory (NVM) to Store Custom Configurations
- 180° Out-of-Phase to Reduce Input Ripple
- 600-mV Reference Voltage with ±0 .5% Accuracy from 0°C to 85°C
- Inductor DCR Current Sensing
- Programmable Switching Frequency: 200 kHz to 1 MHz
- Voltage Mode Control with Input Feed Forward
- Current Sharing for Multiphase Operation
- Supports Pre-biased Output
- Differential Remote Sensing
- External SYNC
- BPEXT Pin Boosts Efficiency by Supporting External Bias Power Switch Over
- OC, OV, UV, and OT Fault Protection
- 40-Pin, 6 mm × 6 mm VQFN Package with 0.5-mm Pitch
- 40-Pin, 5 mm × 5 mm WQFN Package with 0.4-mm Pitch
- Create a Custom Design using the TPS40422 device with the WEBENCH® Power Designer
The TPS40422 is a dual-output PMBus protocol, synchronous buck controller. It can be configured also for a single, two-phase output.
The wide input range supports 5-V and 12-V intermediate buses. The accurate reference voltage satisfies the need of precision voltage to the modern ASICs and potentially reduces the output capacitance. Voltage mode control reduces noise sensitivity and also ensures low duty ratio conversion.
技術文件
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檢視所有 7 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS40422 Dual-Output or Two-Phase Synchronous Buck Controller with PMBus™ Interface datasheet (Rev. G) | PDF | HTML | 2022年 8月 26日 |
| Application note | Multiphase Buck Design from Start to Finish, Part 1 (Rev. B) | 2021年 4月 7日 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018年 6月 25日 | ||
| Application note | SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC | 2016年 2月 22日 | ||
| Technical article | Select the correct PMBus POL solution for your application | PDF | HTML | 2015年 8月 3日 | |
| Design guide | TPS40422 Design Example | 2012年 2月 16日 | ||
| User guide | Using the PWR091EVM Dual-Output DC/DC Analog With PMBus Interface | 2011年 1月 5日 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
開發板
TPS40422EVM-091 — TPS40422 雙路輸出或多相同步降壓控制器評估模組
The Texas Instruments TPS40422EVM-091 evaluation module (EVM) helps designers evaluate the performance of the TPS40422 Dual Output or Multiphase Synchronous Buck Controller with PMBus. The EVM is designed to use a regulated 8.0Vdc to 14.0Vdc bus to produce two regulated outputs. One output is (...)
使用指南: PDF
應用軟體及架構
FUSION_DIGITAL_POWER_DESIGNER — 數位電源軟體
Fusion Digital Power™ graphical user interface (GUI) software is used to configure and monitor select Texas Instruments digital power controllers and sequencer/health monitors. The application uses the PMBus protocol to communicate with the device over serial bus by way of a TI USB adapter.
應用軟體及架構
FUSION_MFR_GUI — Fusion Digital Power 製造工具
The Fusion Digital Power Manufacturing Tool (aka MFR GUI) is a Graphical User Interface used to download firmware, upgrade firmware, configure, calibrate and test .
The MFR GUI supports the same devices as Fusion Digital Power Designer software. This tool is typically used in manufacturing (...)
驅動程式或資料庫
PMBUSSW-LINUX — 適用於 PMBUS 的 Linux 驅動程式
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
- (...)
模擬型號
TPS40422_Multiphase_Startup TINA-TI Reference Design
SLUM550.TSC (535 KB) - TINA-TI Reference Design
參考設計
PMP9559 — 使用 NexFET Power Block II 且具有 PMBus 的 12Vin 小巧雙 5V/5.5A 負載點參考設計
The PMP9559 reference design is a compact dual 5.5A POL solution with PMBus in 0.65" by 0.90" size. It showcases CSD87381P power block II with high efficiency and excellent thermal performnce. It has programmable frequency, soft-start, external compensation, adjustable current limit and OCP/OVP/OTP (...)
參考設計
PMP7466 — 使用 NexFET 電源塊且具有 PMBus 的 12Vin 小巧雙 30A 負載點參考設計
The PMP7466 reference design is a compact dual 30A POL solution with PMBus in 1" by 1.075" size (25.4mm x27.3mm). It showcases NexFET power block CSD87350 in high-density PoL. It also adds PMBus capability to high-current rails. It is easy to configure as dual 30A or single 60A output with (...)
參考設計
PMP6924 — 適合大小受限的應用且具有 PMBus 的 12Vin 精巧型單 60A 負載點參考設計
The PMP6924 reference design is a compact single 60A POL solution with PMBus in 0.7" by 0.95" size (17.8mm x24.1mm). It showcases NexFET power block CSD87350Q5D in high density PoL. It also has excellent thermal performance. It is suitable for PMBus-equipped high current applications with size (...)
參考設計
PMP8853 — 使用 NexFET 電源塊且具有 PMBus 的 12Vin 精巧型雙 10A 負載點參考設計
The PMP8553 reference design is a compact dual 10A POL solution with PMBus in 0.75" by 0.975" size (19mm x24.8mm). It showcases NexFET power block CSD87330 in high density PoL. It also adds PMBus capability to low current rails. It is easy to configure as dual 10A or single 20A output with (...)
參考設計
PMP6952 — 使用 NexFET 電源塊且具有 PMBus 的 12Vin 精巧型雙 15A 負載點參考設計
The PMP6952 reference design is a compact dual 15A POL solution with PMBus in 0.75" by 1.075" size (19mm x27.3mm). It showcases NexFET power block CSD87350 in high-density PoL with PMBus capability. It is easy to configure as dual 15A or single 30A output with resistor options. It is (...)
參考設計
PMP8999 — 具有 PMBus 介面的 12Vin 1V 50A TPS40422 和 Power Block II CSD87384 2 相參考設計
It is a two phase Synchronous Buck converter to provide high current with low ripple and fast dynamic response for high speed processor core applications. Same approach can also be used to power Memory and Input / Output power voltages, typically 1.2V to 3.3V. The two phase interleave reduces (...)
Test report: PDF
| 封裝 | 引腳 | 下載 |
|---|---|---|
| VQFN (RHA) | 40 | 檢視選項 |
| WQFN (RSB) | 40 | 檢視選項 |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點