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Texas Instruments TPS65130RGET
- Part No.:
- TPS65130RGET
- Manufacturer:
- Texas Instruments
- Package:
- 24-VFQFN Exposed Pad
- Datasheet:
-
TPS65130RGET.pdf
- Description:
- IC REG BUCK BOOST ADJ DL 24VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:736
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Product details
Overview
TPS65130RGET from Texas Instruments is a dual-output DC-DC converter IC generating independent positive (up to +15 V) and negative (down to –15 V) rails from a 2.7–5.5 V input, with 800 mA current limit per channel, 1.25–1.5 MHz fixed-frequency PWM control, and integrated overvoltage/thermal/UVLO protection - used in AMOLED display power supplies for industrial HMIs and test equipment.
For engineers reviewing the TPS65130RGET datasheet, TPS65130RGET pinout, TPS65130RGET application, or TPS65130RGET equivalent, key selection criteria include its dual-rail programmability, individual enable sequencing, external P-channel FET gate control (BSW), 1-µA shutdown current, and VQFN-24 thermal performance (RθJA = 34.1°C/W).
Technical Context
The TPS65130RGET implements two independent fixed-frequency PWM regulators: a boost converter (VPOS) and an inverting buck-boost converter (VNEG), sharing only a common oscillator and 1.213 V internal reference. Each uses feedforward control with error amplifiers monitoring FBP/FBN feedback pins against VREF.
It supports flexible sequencing via separate ENP/ENN inputs, power-save mode via PSP/PSN, and load disconnect via BSW-driven external PMOS. Soft-start ramps switch current limit over ~1 ms, while OVP triggers immediate shutdown if feedback exceeds nominal by ~5%.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input voltage range | 2.7 V to 5.5 V - supports single-cell Li-ion (2.7–4.2 V), 3-cell alkaline/NiMH, or regulated 3.3/5 V rails. |
| VPOS output range | Up to +15 V - adjustable via resistor divider on FBP; regulated to ±3% DC accuracy using 1.213 V internal reference. |
| VNEG output range | Down to –15 V - adjustable via resistor divider on FBN; regulation threshold is 0 V ±24 mV at FBN pin. |
| Switch current limit | 800 mA (TPS65130) - sets maximum continuous output current per rail; determines inductor sizing and thermal design margin. |
| Switching frequency | 1.25–1.5 MHz - enables use of small 4.7 µH inductors and reduces EMI filtering burden. |
| Shutdown current | ≤1.5 µA - minimizes battery drain during system sleep; measured with ENP = ENN = GND. |
| Quiescent current | 300–500 µA - total operating supply current into VIN under no-load, full-enable conditions. |
| Thermal resistance | RθJA = 34.1°C/W - defines junction-to-ambient temperature rise under PCB layout with standard 2-layer copper pour. |
Pinout & Package
TPS65130RGET is housed in a thermally enhanced 4.0 mm × 4.0 mm VQFN-24 package (RGE) with exposed thermal pad for PCB heat sinking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ENP | Enable input (positive rail) | Logic HIGH (≥1.4 V) activates VPOS; controls soft-start and shutdown sequencing. |
| ENN | Enable input (negative rail) | Logic HIGH (≥1.4 V) activates VNEG; allows independent power-up/down timing. |
| FBP | Positive feedback input | Connects to resistor divider from VPOS; regulates output to 1.213 V reference with ±3% accuracy. |
| FBN | Negative feedback input | Connects to resistor divider from VNEG; zero-crossing detection enables stable negative rail regulation. |
| BSW | Battery switch gate driver | Drives external P-channel FET to fully disconnect VPOS path from input during shutdown. |
| CP / CN | Compensation nodes | External RC networks stabilize control loops for boost (CP) and inverting (CN) stages. |
| PGND / AGND | Power and analog ground | Separate ground pins reduce noise coupling; PGND handles high di/dt switching currents. |
| VIN | Main supply input | Accepts 2.7–5.5 V; powers internal circuitry and feeds both converter stages. |
| VPOS / VNEG | Output sense inputs | High-impedance inputs monitor regulated outputs; enable remote sensing for improved load regulation. |
| PSP / PSN | Power-save mode control | Enable pulse-skipping at light loads to improve efficiency; disable for forced CCM operation. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent regulation | Enables non-symmetrical rails (e.g., +12 V / –5 V) without cross-coupling; each output has dedicated feedback and protection. |
| Individual enable sequencing | ENP and ENN allow staggered startup/shutdown - critical for LCD bias sequencing and avoiding latch-up in display drivers. |
| External load disconnect | BSW output drives PMOS to break DC path from battery to VPOS, eliminating standby leakage in portable systems. |
| Integrated protection suite | OVP on both rails, UVLO (2.1–2.7 V threshold), and thermal shutdown (150°C) ensure robust operation under fault conditions. |
| Low-noise fixed-frequency PWM | 1.25–1.5 MHz operation avoids AM radio band; combined with low output ripple, supports sensitive analog circuits. |
Applications
| AMOLED Display Power Supply | Industrial HMI Bias Generation |
|---|---|
Use Scenario: Powering gate driver and source driver ICs in 7–15" AMOLED panels used in factory HMIs and medical displays. IC Role / Device Role / Timing Role: Generates isolated +12 V (VPOS) and –8 V (VNEG) rails with precise sequencing to prevent panel damage during power-up. Use Value: Independent ENP/ENN control ensures correct voltage ramp order; 800 mA per rail supports peak pixel current demands without droop. | Use Scenario: Providing split-rail supply for differential op-amps and ADC drivers in building automation thermostats and elevator control panels. IC Role / Device Role / Timing Role: Delivers low-noise ±5 V rails from a 3.3 V system rail, with minimal external components and no need for discrete regulators. Use Value: 1.25 MHz switching enables compact 4.7 µH inductors; <1.5 µA shutdown current extends battery life in wireless HMI nodes. |
| Test & Measurement DAC/ADC Supply | Differential Audio Amplifier Bias |
Use Scenario: Powering precision 16-bit DACs and SAR ADCs in portable data acquisition units requiring clean, stable analog supplies. IC Role / Device Role / Timing Role: Supplies ±10 V rails with <3% DC accuracy and low output ripple (<10 mVpp) to minimize code-dependent errors. Use Value: Internal 1.213 V reference and FBP/FBN feedback architecture achieve tight regulation without external references. | Use Scenario: Generating symmetrical ±12 V bias for Class-AB audio power amplifiers in compact industrial audio annunciators. IC Role / Device Role / Timing Role: Replaces discrete charge-pump + LDO solutions with higher efficiency (up to 85% combined) and smaller footprint. Use Value: 89% (VPOS) and 81% (VNEG) peak efficiencies reduce thermal load in sealed enclosures; VQFN-24 package fits tight board space. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-rail DC-DC converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS65131RGET | Higher 2 A switch current limit per rail; identical pinout and control interface. | Suitable for higher-current AMOLED panels (>500 mA load) or systems requiring greater headroom. | Select TPS65131RGET when peak VPOS/VNEG loads exceed 500 mA and thermal margin is constrained. |
| MAX17504ATP+ | Single-channel, wide-input (4.5–60 V), higher VPOS capability (up to +60 V); different package (20-TQFN) and no native VNEG output. | Requires external inverting stage for negative rail; better suited for industrial 24 V bus-powered systems. | Choose MAX17504ATP+ only when input exceeds 5.5 V or VPOS > 15 V is required; not a drop-in replacement. |
Compared with TPS65130RGET, TPS65131RGET offers higher current capacity in identical form factor, while MAX17504ATP+ trades dual-rail integration for wider input range and higher positive voltage - making TPS65130RGET optimal for compact, battery-powered dual-rail designs below 5.5 V input.
Availability
TPS65130RGET is available at Aetrix Electronics and suitable for AMOLED display power, industrial HMI bias generation, and test & measurement DAC/ADC supply applications requiring stable component supply across production lifecycles.
Supply support for TPS65130RGET includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, designing and manufacturing analog, embedded processing, and digital signal processing technologies since 1930.
The TPS6513x product line was developed specifically for compact, high-efficiency dual-rail power in portable displays and industrial human-machine interfaces, emphasizing low quiescent current, independent sequencing, and robust protection.
FAQ
What is the maximum output voltage the TPS65130RGET can generate on its positive rail?
The TPS65130RGET supports a maximum positive output voltage (VPOS) of +15 V, adjustable via an external resistor divider connected to the FBP pin. This limit is defined by absolute maximum ratings and internal switch voltage tolerance. Operation above +15 V risks permanent damage to the internal boost switch and is not supported under recommended conditions.
Does the TPS65130RGET provide true load disconnect for both output rails?
The TPS65130RGET provides full load disconnect for the negative rail (VNEG) via internal PMOS switch turn-off when ENN is low. For the positive rail (VPOS), it provides gate drive (BSW pin) to control an external P-channel FET - enabling complete disconnection only when that external FET is implemented with proper orientation (parasitic diode pointing toward input).
How does the TPS65130RGET handle light-load efficiency?
The TPS65130RGET improves light-load efficiency using optional pulse-skipping power-save mode, enabled independently per rail via PSP (boost) and PSN (inverter) pins. When active, the controller delivers bursts of switching cycles only as needed to maintain regulation, reducing average switching losses and achieving up to 85% combined efficiency at partial load.
What is the function of the VREF pin on the TPS65130RGET?
On the TPS65130RGET, the VREF pin provides a stable 1.213 V internal reference voltage (±1.1% over temperature). It must be bypassed with a 220 nF capacitor to AGND and serves as the regulation target for both FBP and FBN feedback networks - forming the core of the dual-rail voltage accuracy architecture.
Can the TPS65130RGET operate from a 3.3 V supply and still deliver ±12 V outputs?
Yes - the TPS65130RGET operates from 2.7 V to 5.5 V input and can generate ±12 V outputs from a 3.3 V rail. Its boost converter achieves +12 V with typical efficiency >85%, and the inverting stage delivers –12 V with >78% efficiency, provided external components (inductors, diodes, feedback resistors) are selected per TI's design guidelines for that input-output combination.
TPS65130RGET Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 24-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Up, Step-Up/Step-Down
- Output Configuration:
- Positive and Negative (Dual Rail)
- Topology:
- Boost, Buck-Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 2
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 3.2V, -2V
- Voltage - Output (Max):
- 15V, -15V
- Current - Output:
- 700mA (Switch)
- Frequency - Switching:
- 1.38MHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-VQFN (4x4)
TPS65130RGET FAQ
1.How can I place an order for TPS65130RGET through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS65130RGET on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS65130RGET reliable?
The price and inventory of TPS65130RGET are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS65130RGET is usually 5 days.
3.What payment methods are accepted for TPS65130RGET?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS65130RGET transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS65130RGET?
TPS65130RGET orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS65130RGET order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS65130RGET?
For technical support, including TPS65130RGET datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS65130RGET requirements.
6.How does Aetrix verify that TPS65130RGET is sourced from the original manufacturer or authorized distributors?
All TPS65130RGET products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS65130RGET meets industry standards.
7.What is the process for return or replacement of TPS65130RGET?
All TPS65130RGET units undergo pre-shipment inspection (PSI). If there is an issue with TPS65130RGET, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS65130RGET part is unused and in its original packaging.
Return procedure for TPS65130RGET:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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