TPS51624 - 28V VR12.6 Step-Down Controller | Texas Instruments
料号： TPS51624 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
TPS51624 概述
A step-down controller is a power-management semiconductor that regulates a higher input voltage to a lower processor or logic voltage. A driverless VR controller does not include the high-current gate-driver circuitry; instead, it controls external power-stage devices. This separates control functions from power delivery, allowing the selected external MOSFETs or DrMOS devices to determine current capability and thermal performance.
The TPS51624 supports one- or two-phase configurations for processor rails and is designed around Intel Serial VID, or SVID, control. Its control features include USR and OSR, while the D-CAP+ architecture is intended to support fast transient response, high efficiency, and low output capacitance. The manufacturer product page identifies the device as a VR12.6-compliant, driverless step-down controller.
The package is a space-saving, thermally enhanced 32-pin QFN, and the manufacturer specifies an operating temperature range of -40 °C to 105 °C. The verified distributor listing identifies the TPS51624RSMR orderable as a D-CAP+ controller in a 32-VQFN package. The exact electrical limits, pin functions, switching frequency, compensation settings, and thermal resistance must be confirmed against the manufacturer datasheet before layout release.
Typical uses include Intel desktop and mobile CPU voltage-regulator modules, VR12.6-compliant processor rails, and multi-phase power systems using TI Power Stage or DrMOS devices. Because the controller is driverless, external power stages are required; the controller alone does not provide the high-side and low-side switching elements.
The primary design consideration is validating the selected power-stage devices, inductor, MOSFETs or DrMOS components, output capacitance, and thermal layout as one complete VR design. SVID settings, current limits, slew behavior, and the chosen phase count must also be checked against the processor requirements and the TPS51624 datasheet.
直接替换替代料： TPS51624 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
TPS51622A
✅ 直接替换📋 参考替代料（不在目录中）
TPS51622
✅ 直接替换📋 参考替代料（不在目录中）
TPS51624RSMT
✅ 直接替换📋 参考替代料（不在目录中）
TPS51624RSMR
✅ 直接替换📋 参考替代料（不在目录中）
TPS51622A
✅ 直接替换📋 参考替代料（不在目录中）
TPS51624 最大额定值与电气特性
| Product Type | Driverless step-down controller |
| 输入电压范围 | 4.5 V to 28 V |
| 输出配置 | 1 output |
| Phase Support | 1 or 2 phases |
| Processor Compliance | Intel VR12.6 compliant |
| Control Interface | SVID compliant |
| Control Architecture | D-CAP+ |
| External Power Stages | Selected TI Power Stage products and DrMOS products |
| Undershoot Reduction | USR supported |
| Overshoot Reduction | OSR supported |
| Package Type | 32-pin QFN, thermally enhanced |
| 工作温度范围 | -40 °C to 105 °C |
| 引脚数量 | 32 pins |
TPS51624 32-pin qfn, thermally enhanced 引脚配置指南
TPS51624（32-pin qfn, thermally enhanced 封装）的引脚配置。 该功率器件具有栅极、漏极和源极端子。对于无极性封装，请参阅制造商数据手册以了解确切的引脚 1 方向和封装尺寸细节。常见应用包括电源设计、电机驱动和负载开关。
暂无详细引脚数据： TPS51624.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TPS51624 适用于 6 应用s: Intel VR12.6 CPU Voltage Regulation, Mobile Processor Power Rail, Two-Phase Desktop CPU Regulator, High-Current Processor Power Module, External Power Stage Based VR Design, Industrial Processor Control Module.
Intel VR12.6 CPU Voltage Regulation
The TPS51624 fits an Intel VR12.6 processor rail when the system requires a driverless controller, SVID compliance, and one- or two-phase operation. Place the controller alongside selected TI Power Stage or DrMOS devices and configure the VR power path for the processor's required voltage and current behavior. Its 4.5 V to 28 V input range supports the stated VR12.6 use case, while D-CAP+, USR, and OSR target fast transient response. Validate the external power stages, inductor, output capacitance, current limits, and PCB thermal design against the processor requirements before release.
推荐
Mobile Processor Power Rail
The TPS51624 is suitable for consideration in a mobile processor rail when the platform implements the VR12.6 and SVID requirements identified by Texas Instruments. Its 4.5 V to 28 V input range and selectable one- or two-phase operation provide a controller foundation, while the external power stage determines the practical current capability. A mobile design should carefully check processor voltage transients, load steps, thermal limits, and battery or adapter input behavior. The supplied verified data does not confirm a specific mobile reference design or current rating, so platform-level validation remains essential.
推荐
Two-Phase Desktop CPU Regulator
Use the TPS51624 as the controller in a two-phase desktop CPU regulator when the design calls for VR12.6-compliant control and external DrMOS or TI Power Stage devices. Two phases can distribute the switching current across two power stages, but the benefit depends on phase interleaving, inductor selection, current sharing, and thermal layout. The TPS51624's D-CAP+ architecture, USR, and OSR are intended to help manage transient conditions and output behavior. Confirm exact phase configuration, compensation, current limits, and pin assignments with the manufacturer datasheet.
推荐
High-Current Processor Power Module
The TPS51624 can serve as the control IC in a high-current processor power module when paired with suitable external power stages. Because it is driverless, the TPS51624 handles the control function while the selected TI Power Stage or DrMOS devices handle the high-current switching path. This separation allows the power stage and thermal design to be selected for the processor load rather than being fixed by the controller package. The 32-pin thermally enhanced QFN package supports compact VR layouts, but the final current capability, switching frequency, and thermal performance must be established from complete design data.
推荐
External Power Stage Based VR Design
The TPS51624 is appropriate for a VR design built around external TI Power Stage products or DrMOS products. This architecture is useful when the processor rail requires a driverless controller and the power-delivery components must be selected independently. The controller supports a 4.5 V to 28 V input and VR12.6-oriented SVID control, while the external devices determine efficiency and current handling. Designers should validate signal timing, gate-drive compatibility, inductor current, output capacitance, fault behavior, and thermal spreading across the complete power stage and PCB layout.
推荐
Industrial Processor Control Module
The TPS51624 may be used in an industrial processor control module when the processor requires VR12.6-compatible SVID regulation and the power tree accepts a 4.5 V to 28 V controller input. Its one- or two-phase flexibility allows the design to align phase count with the available external power stages and load requirement. D-CAP+, USR, and OSR can help control transient behavior, but industrial systems should also be evaluated for input transients, temperature range, electromagnetic behavior, fault response, and long-term availability. The verified data confirms -40 °C to 105 °C operation but does not provide industrial qualification claims.
推荐
推荐产品汇总
工程参考数据： TPS51624 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | TPS51622A | TPS51622 | TPS51624RSMT | TPS51624RSMR |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 32-pin QFN | 32-pin QFN; exact footprint requires validation | 32-pin QFN; exact footprint requires validation | 32-pin QFN, Mouser-listed orderable | 32-VQFN, DigiKey-listed orderable |
| Phase Configuration | 1 or 2 phases | Dual-channel; 3-phase CPU and 2-phase GPU described in cross-reference result | Dual-channel; 3-phase CPU and 2-phase GPU described in cross-reference result | TPS51624-series configuration; exact package-specific details not supplied | TPS51624-series configuration; exact package-specific details not supplied |
| Processor Compliance | Intel VR12.6 compliant | IMVP-7 Vcore described in comparison result | IMVP-7 Vcore described in comparison result | TPS51624-series VR12.6 feature set | TPS51624-series VR12.6 feature set |
| Control Architecture | D-CAP+ | D-CAP+ step-down controller described in comparison result | D-CAP+ step-down controller described in comparison result | D-CAP+ TPS51624-series controller | D-CAP+ controller |
关键差异点
- VR12.6-targeted controller rather than the related IMVP-7 dual-channel architecture （对比 TPS51622A)
- Driverless external-power-stage architecture （对比 TPS51622)
- D-CAP+ transient-control feature set （对比 TPS51622A)
- Verified orderable package options （对比 TPS51624RSMR)
设计说明
Keep the TPS51624, external power stages, inductors, and output capacitors arranged for very low-loop-area switching paths. Place high-frequency power connections and decoupling components close to their associated pins, and provide a continuous ground reference. The TPS51624 is a driverless controller in a thermally enhanced 32-pin QFN package, so PCB layout and exposed-pad thermal design are part of the regulator performance rather than cosmetic considerations.
Do not treat the TPS51624 as a standalone buck converter. External TI Power Stage or DrMOS devices are required to form the high-current switching path, and the chosen devices must be compatible with the controller's control signals and operating conditions. Also avoid assuming that related TPS51622 or TPS51622A controllers are interchangeable: the verified comparison describes different dual-channel and phase architectures, so pinout and processor requirements must be checked before substitution.
Evaluate thermal performance using the external power-stage dissipation, the TPS51624 controller dissipation, and the PCB copper area rather than the controller package rating alone. Estimated thermal calculations should use the actual VIN, output voltage, phase current, efficiency, ambient temperature, and package thermal resistance from the datasheet. Because those numerical design values are not present in the verified data, no heat-rise or junction-temperature estimate is asserted here.
Plan the VR layout around the selected power stages and inductor current loops. Keep signal traces for SVID and control functions away from high dv/dt switching nodes, use a solid ground plane, and minimize trace inductance in the power path. Confirm the exposed-pad connection and pin numbering against the official datasheet before releasing the PCB because the verified search results identify a 32-pin QFN package but do not provide a complete pin table.
合规信息
The supplied verified data confirms the Texas Instruments product page and distributor listings but does not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. These fields remain unknown rather than assumed.
