TPS53127RGER Texas Instruments Integrated Circuit (Other) In Stock
TPS53127RGER is a dual synchronous step-down PWM controller accepting 4.5 V to 24 V input and generating two independently regulated output voltages. Each channel is adjustable from 0.76 V to 5.5 V using voltage-mode PWM control for stable regulation. Housed in a 24-pin QFN, it suits dual-rail power supplies in telecom, server, and industrial applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- TPS53127RGER Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3400(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPS53127RGER?
- Dual independent synchronous step-down (buck) controller
- 4.5 V to 24 V input voltage range covering 5 V and 12 V system buses
- Adjustable output from 0.76 V to 5.5 V per channel for multi-rail flexibility
- Voltage-mode PWM control for predictable loop stability
- 12 V nominal operation for server, telecom, and industrial backplanes
- 24-pin QFN (RGER) package for compact dual-channel power stage layout
- 15-year product lifetime commitment for long-production-life equipment
What is TPS53127RGER used for?
The TPS53127 powers dual-rail processor or FPGA core supply designs in server blades, network switches, and telecom line cards where 12 V input must be converted to sub-1 V and 1.8 V simultaneously. Industrial computing platforms use the 4.5 V to 24 V input range to support designs powered from 5 V, 12 V, or 24 V buses without a pre-regulator. Programmable logic development boards that need separate VCCINT and VCCO rails also benefit from the dual-channel adjustable output.
What are the specifications of TPS53127RGER?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.76V TO 5.5V |
| Analog IC - Other Type | DUAL SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 24V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | S-PQCC-N24 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 2 |
| Output Current-Max | 15A |
| Output Voltage-Max | 5.5V |
| Output Voltage-Min | 0.76V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC24,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.8mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 700kHz |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the TPS53127RGER datasheet?
TPS53127RGER Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPS53127RGER?
Compatible alternatives and drop-in replacements for TPS53127RGER:
Switching Controller, Voltage-mode, 15A, 700kHz Switching Freq-Max, PQCC24
Frequently Asked Questions
How low can the TPS53127RGER output voltage be set on each channel?
Each output channel is adjustable down to 0.76 V, making it suitable for sub-1 V FPGA core rails and CPU VDD supplies. The upper limit of 5.5 V per channel covers most memory and I/O rail requirements, so a single TPS53127 can provide both a low-voltage processor core supply and a 3.3 V or 5 V peripheral rail simultaneously.
Can the TPS53127 operate from a 24 V industrial bus, and what downstream loads does that support?
The controller accepts up to 24 V input, which covers 24 V industrial automation bus rails directly. This eliminates the need for a pre-regulator stage, reducing overall power system component count and losses. Each channel's adjustable output from 0.76 V to 5.5 V can then supply microcontrollers, FPGAs, or industrial sensor ICs from the 24 V bus in a single conversion stage.
Why use voltage-mode PWM control in the TPS53127 rather than a current-mode architecture?
Voltage-mode PWM control uses a fixed switching frequency, simplifying EMI filter design and making loop compensation more straightforward for capacitive output loads. For server and telecom power stages where output ripple frequency must be predictable for EMI compliance, fixed-frequency voltage-mode operation avoids the variable-frequency noise of hysteretic regulators, reducing the cost of conducted and radiated emission filtering.
For a server blade with both a 0.9 V CPU core and a 1.8 V memory rail, does the TPS53127 cover both from a 12 V bus?
Yes. The TPS53127 is designed around a 12 V nominal input and each channel independently drives an output from 0.76 V to 5.5 V. Channel 1 can be set to 0.9 V for the CPU core and Channel 2 to 1.8 V for DDR memory, both regulated simultaneously from the 12 V server backplane, covering both rails in one 24-pin QFN device.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
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| 1+ | $2.6400 | $2.64 |
| 143+ | $2.1000 | $300.30 |
| 500+ | $1.5100 | $755.00 |
| 1000+ | $1.4300 | $1430.00 |
| 10000+ | $1.3400 | $13400.00 |
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