TPS51116PWPRIn StockTexas Instruments
TPS51116PWPR is a complete DDR/DDR2/DDR3/DDR4/LPDDR3 power solution featuring a synchronous buck controller with current-mode PWM control and a 3A LDO, supporting 3V–28V input. From $0.97, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- TPS51116PWPR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9737(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Complete DDR memory power solution supporting DDR, DDR2, DDR3, DDR3L, LPDDR3, and DDR4 in a single IC
- Current-mode PWM synchronous buck controller with wide 3V–28V input voltage range
- Integrated 3A LDO for versatile memory termination and auxiliary rail support
- Lead-free (Pb-free) TSSOP-20 package optimized for compact PCB layouts
- Precision voltage regulation suitable for demanding server, laptop, and embedded memory applications
Applications
The TPS51116PWPR is widely used in laptop and desktop motherboards to power DDR3/DDR4 memory modules, providing both the switching buck rail and the LDO termination voltage from a single device. It is also deployed in industrial embedded systems, network equipment, and server platforms where reliable multi-rail DDR memory power management is required. Its broad input voltage range and compact package make it suitable for space-constrained designs demanding high efficiency and low noise.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 28V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 6A |
| Output Voltage-Max | 3V |
| Output Voltage-Min | 0.75V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP20,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 2mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 400kHz |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
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 | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS51116PWPR:
Switching Controller, Current-mode, 6A, 400kHz Switching Freq-Max, BICMOS, PDSO20
Switching Controller, Current-mode, 6A, 400kHz Switching Freq-Max, BICMOS, PDSO20
Frequently Asked Questions
What DDR memory standards does the TPS51116PWPR support?
The TPS51116PWPR supports DDR, DDR2, DDR3, DDR3L, LPDDR3, and DDR4 memory standards, making it a versatile complete power solution for a wide range of modern memory interfaces in laptops, desktops, and embedded systems.
What is the input voltage range of the TPS51116PWPR?
The TPS51116PWPR operates over an input voltage range of 3V to 28V, with a nominal input of 5V. This wide range allows it to be powered directly from common system rails in consumer and industrial applications.
What control method does the TPS51116PWPR use for its buck converter?
The TPS51116PWPR uses current-mode pulse width modulation (PWM) control for its synchronous buck controller. Current-mode control provides fast transient response and inherent cycle-by-cycle current limiting, improving stability and protection in DDR memory power designs.
What package does the TPS51116PWPR come in and where can I buy it?
The TPS51116PWPR is available in a 20-pin TSSOP (R-PDSO-G20) lead-free package. It can be purchased from authorized Texas Instruments distributors worldwide, with pricing starting from approximately $0.97 per unit and stock available for worldwide shipping.
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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.
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| 1+ | $3.4620 | $3.46 |
| 10+ | $2.0600 | $20.60 |
| 25+ | $1.8900 | $47.25 |
| 100+ | $1.6900 | $169.00 |
| 126+ | $1.2983 | $163.59 |
| 401+ | $0.9737 | $390.45 |
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