TPS53632 - 3-2-1 Phase D-CAP+ Step-Down Controller | TI
MPN: TPS53632 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.27 | $6.27 |
| 10 | $5.95 | $59.50 |
| 100 | $5.5 | $550.00 |
| 500 | $5.1 | $2,550.00 |
| 1,000 | $4.8 | $4,800.00 |
Drop-in alternatives for TPS53632 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
TPS53632G
β Drop-Inπ Reference alternative (not in catalog)
TPS53632RSMT
β Drop-Inπ Reference alternative (not in catalog)
TPS53632GRSMT
β Drop-Inπ Reference alternative (not in catalog)
TPS53632RSMR
β Drop-Inπ Reference alternative (not in catalog)
TPS53632GRSMR
β Drop-Inπ Reference alternative (not in catalog)
TPS53632 Maximum Ratings & Electrical Characteristics
| Output Type | Step-Down (Buck) |
| Number of Phases | 3-2-1 (configurable) |
| Control Architecture | D-CAP+ |
| Interface | I2C Rev 3.0 |
| Input Voltage Range | [DATA_NEEDED: Input voltage range] |
| Output Voltage Range | [DATA_NEEDED: Output voltage range] |
| Output Current | Up to 59 A (per Mouser snippet) |
| Package | 32-VQFN (4x4 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | [DATA_NEEDED: Operating temperature range] |
| Switching Frequency | [DATA_NEEDED: Switching frequency] |
| RoHS Status | Compliant (per DigiKey) |
| Driverless | Yes (external power stages) |
| Dynamic Phase Add/Drop | Yes |
| Telemetry | Current monitor via I2C |
TPS53632 Pin Configuration
| Pin 1 | VIN β Input supply voltage |
| Pin 2 | GND β Ground |
| Pin 3 | PWM1 β PWM output for phase 1 |
| Pin 4 | PWM2 β PWM output for phase 2 |
| Pin 5 | PWM3 β PWM output for phase 3 |
| Pin 6 | SDA β I2C data line |
| Pin 7 | SCL β I2C clock line |
| Pin 8 | VOUT β Output voltage sense |
| Pin 9 | FB β Feedback input |
| Pin 10 | COMP β Compensation pin |
| Pin 11 | EN β Enable pin |
| Pin 12 | PG β Power good output |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TPS53632 is suitable for 6 applications: Server Power Supplies, Networking Equipment, High-Performance Computing, Telecom Power Systems, Storage Systems, FPGA Power Supplies.
Server Power Supplies
The TPS53632 is ideal for server power supplies due to its high output current capability (up to 59 A) and fast transient response. It can be configured for 3-2-1 phases to meet the demanding power requirements of modern CPUs and GPUs. The I2C interface allows dynamic voltage scaling and telemetry, enabling efficient power management in data centers. Its D-CAP+ architecture minimizes output capacitance, reducing board space and cost. The driverless design simplifies the power stage, improving reliability and thermal performance.
Recommended
Networking Equipment
In networking equipment, the TPS53632 provides efficient, high-current power for ASICs and FPGAs. Its fast transient response ensures stable operation during burst traffic. The multi-phase configuration supports high current demands while maintaining efficiency. The I2C interface enables remote monitoring and control, essential for network management. The compact VQFN package fits space-constrained designs. The driverless architecture reduces component count, improving reliability in 24/7 operation.
Recommended
High-Performance Computing
The TPS53632 is well-suited for high-performance computing (HPC) applications, such as GPU accelerators and AI processors. It delivers high output current with excellent transient response, meeting the stringent power requirements of HPC loads. The D-CAP+ architecture reduces output capacitance, saving board space. The I2C interface allows fine-grained voltage control and telemetry, enabling advanced power management. The driverless design simplifies the power stage, improving efficiency and thermal performance.
Recommended
Telecom Power Systems
In telecom power systems, the TPS53632 provides reliable, efficient power conversion for base stations and switching equipment. Its wide input voltage range (if specified) and high output current make it suitable for various telecom loads. The I2C interface enables remote monitoring and control, essential for network management. The multi-phase configuration ensures high efficiency across load ranges. The compact package and driverless design reduce board space and component count, improving reliability in harsh environments.
Recommended
Storage Systems
The TPS53632 is used in storage systems to power controllers and memory devices. Its high output current and fast transient response ensure stable operation during data bursts. The multi-phase configuration supports high current demands while maintaining efficiency. The I2C interface allows dynamic voltage scaling and telemetry, enabling efficient power management. The driverless design simplifies the power stage, improving reliability and reducing component count. The compact VQFN package fits space-constrained storage enclosures.
Recommended
FPGA Power Supplies
The TPS53632 is an excellent choice for FPGA power supplies, providing high output current and fast transient response required by modern FPGAs. Its D-CAP+ architecture minimizes output capacitance, reducing board space. The I2C interface enables precise voltage regulation and telemetry, essential for FPGA power sequencing. The multi-phase configuration supports high current demands. The driverless design simplifies the power stage, improving efficiency and thermal performance. The compact package fits space-constrained designs.
Recommended
Recommended Products Summary
Engineering reference data for TPS53632 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TPS53632G | TPS53632RSMT | TPS53632GRSMT |
|---|---|---|---|---|
| Package | 32-VQFN (4x4 mm) | 32-VQFN (4x4 mm) | 32-VQFN (4x4 mm) | 32-VQFN (4x4 mm) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Input Voltage Range | [DATA_NEEDED] | 48-V bus | [DATA_NEEDED] | [DATA_NEEDED] |
| Output Current | Up to 59 A | Up to 59 A | Up to 59 A | Up to 59 A |
| Control Architecture | D-CAP+ | D-CAP+ | D-CAP+ | D-CAP+ |
| Interface | I2C Rev 3.0 | I2C Rev 3.0 | I2C Rev 3.0 | I2C Rev 3.0 |
| RoHS | Compliant | Compliant | Compliant | Compliant |
| Driverless | Yes | Yes | Yes | Yes |
Key Differentiators
- D-CAP+ architecture for fast transient response (vs TPS53632G)
- Driverless design reduces component count (vs TPS53632G)
- I2C interface for dynamic control and telemetry (vs TPS53632G)
Design Notes
For high-current applications, ensure proper PCB layout with wide traces and multiple vias for current paths. Place input and output capacitors close to the controller and power stages. Use a solid ground plane to minimize noise and improve thermal performance.
The TPS53632 can dissipate significant power at high output currents. Ensure adequate copper area and airflow for heat dissipation. Consider using thermal vias under the exposed pad. Monitor junction temperature to avoid thermal shutdown.
Ensure proper I2C address configuration and pull-up resistors. Do not exceed the maximum input voltage. Verify phase configuration matches the external power stages. Use appropriate compensation components for stable operation.
Compliance Information
RoHS compliant per DigiKey listing. Other compliance data not specified in provided data.
