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Texas Instruments TPS60131PWP
- Part No.:
- TPS60131PWP
- Manufacturer:
- Texas Instruments
- Package:
- 20-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TPS60131PWP.pdf
- Description:
- IC REG CHARGE PUMP 5V 20HTSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:194
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Product details
Overview
TPS60131PWP from Texas Instruments is a regulated 5-V, 300-mA charge pump DC-DC converter optimized for battery-powered systems. It operates from 2.7 V to 5.4 V input (e.g., three alkaline/NiMH or single Li-ion cells), delivers ±4% regulated output, achieves up to 90% efficiency via adaptive 1.5×/2× mode switching, and requires only four external ceramic capacitors. It is used in portable medical devices like glucose meters where compact, inductorless 5-V generation is critical.
For engineers reviewing the TPS60131PWP datasheet, TPS60131PWP pinout, TPS60131PWP application, or TPS60131PWP equivalent, key selection considerations include its power-good detection capability (open-drain PG output), 60–100 µA quiescent current, 0.05 µA shutdown current, thermal performance in HTSSOP-20 (RθJA = 178.75°C/W), and compatibility with low-ESR ceramic capacitors for minimal EMI in space-constrained designs.
Technical Context
The TPS60131PWP implements an adaptive dual-mode charge pump architecture: it automatically selects between 1.5× and voltage-doubler conversion based on input voltage and load current to maintain high efficiency across 2.7–5.4 V. Its internal 1.21-V bandgap reference and error amplifier enable precise regulation without external feedback resistors.
It integrates a power-good comparator (PG pin) that asserts low when output falls below 90% of nominal (4.5 V), with 0.8% hysteresis and 1 mA sink capability. Shutdown is controlled via ENABLE pin, disconnecting load and reducing supply current to 0.05 µA while maintaining <1 µA output leakage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output voltage | 5 V ±4% (4.8–5.2 V), regulated across 2.7–5.4 V input and 0–300 mA load - ensures stable logic-level supply for microcontrollers and peripherals. |
| Max output current | 300 mA at 3 V input - supports moderate-power digital loads such as USB peripherals or display drivers without external boost stages. |
| Input voltage range | 2.7 V to 5.4 V - directly compatible with 3-cell alkaline/NiMH (nominal 4.5 V) or single Li-ion (3.0–4.2 V) batteries. |
| Quiescent current | 60–100 µA - enables long standby time in battery-operated instruments like handheld diagnostics. |
| Shutdown current | 0.05 µA max - minimizes battery drain during system sleep, critical for multi-year portable device operation. |
| Switching frequency | 210–450 kHz (internal oscillator) - allows use of small, low-ESR ceramic flying capacitors (typically 1–10 µF) and reduces audible noise. |
| Power-good threshold | 0.9 × VO (4.5 V) with 0.8% hysteresis - provides reliable system reset or supervisor signaling without external monitoring circuitry. |
Pinout & Package
TPS60131PWP is housed in a thermally enhanced 20-pin HTSSOP (PWP) package measuring 6.50 mm × 4.40 mm, with exposed PowerPAD™ for improved heat dissipation in high-current operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (Pins 7, 14) | Supply input | Dual-input configuration lowers impedance; must be bypassed to PGND with capacitor sized at half the output capacitance. |
| OUT (Pins 5, 16) | Regulated 5-V output | Dual-output pins reduce IR drop; require short trace connection and local ceramic filter capacitor (≥10 µF). |
| ENABLE (Pin 3) | Logic-enable input | Active-high control: drives low to enter 0.05 µA shutdown with load disconnection; VIH = 0.7 × VIN, VIL = 0.3 × VIN. |
| PG (Pin 17) | Power-good open-drain output | Asserts low when VOUT < 4.5 V; requires 100 kΩ–1 MΩ pullup to OUT; sinks 1 mA; high-impedance when disabled. |
| LBI/NC (Pin 18) | No-connect (NC) for TPS60131 | Not internally bonded - must be left floating; distinguishes TPS60131 (PG function) from TPS60130 (LBO function). |
| GND (Pins 1, 2, 19, 20) | Analog ground | Reference ground for internal bandgap and error amplifier; separate from PGND to minimize noise coupling. |
| PGND (Pins 9–12) | Power ground | High-current return path for charge-pump switching; must be tied to GND with low-inductance layout. |
| C1+, C1−, C2+, C2− (Pins 6, 8, 15, 13) | Flying capacitor terminals | Four dedicated nodes for two external ceramic flying caps (C1, C2); placement and trace width critically impact efficiency and ripple. |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive 1.5×/2× conversion mode | Automatically selects optimal voltage multiplication ratio based on input voltage and load to sustain >85% efficiency from 2.7 V to 5.4 V. |
| Integrated power-good comparator | Monitors regulated output and asserts open-drain PG signal at 4.5 V with hysteresis - eliminates need for external supervisor IC in 5-V rail monitoring. |
| Pulse-skip regulation | Reduces switching at light loads to cut quiescent current to 60 µA while maintaining low output ripple (<20 mVPP). |
| Thermally enhanced HTSSOP-20 | PowerPAD™ exposes die attach pad for direct PCB copper thermal sinking - enables 300 mA continuous output at +70°C ambient without derating. |
| No-inductor design | Uses only four external ceramic capacitors - eliminates magnetic EMI, simplifies layout, and reduces BOM cost and board area vs. inductive boost converters. |
Applications
| Glucose Meters | PCMCIA Smart Card Readers |
|---|---|
|
Use Scenario: Portable, battery-powered diagnostic device requiring precise 5-V supply for electrochemical sensor interface and MCU. IC Role / Device Role / Timing Role: Primary 5-V regulator converting single Li-ion cell (3.0–4.2 V) to stable 5-V rail with <±4% tolerance and <20 mV ripple. Use Value: Enables accurate analog front-end measurements by eliminating supply-induced offset drift; pulse-skip mode extends battery life beyond 1000 tests per charge. |
Use Scenario: Compact PCMCIA adapter supplying regulated 5-V power to smart cards compliant with ISO 7816-3. IC Role / Device Role / Timing Role: Standalone charge pump delivering 300 mA peak current during card activation and data transfer bursts. Use Value: Meets ISO 7816-3 voltage stability requirements (4.75–5.25 V) under dynamic load; no-inductor design avoids interference with card RF communication. |
| Handheld Medical Instruments | Backup-Battery Boost Converters |
|
Use Scenario: Ruggedized field instrument (e.g., pulse oximeter) operating from 3× AA batteries with strict size and EMI constraints. IC Role / Device Role / Timing Role: Main DC-DC converter generating clean 5-V rail for OLED display, optical sensors, and BLE radio subsystem. Use Value: HTSSOP-20 footprint and ceramic-only BOM allow integration into sub-25 mm² PCB area; 90% peak efficiency preserves battery runtime during continuous measurement. |
Use Scenario: Industrial controller using supercapacitor or backup battery to maintain real-time clock and SRAM during main power loss. IC Role / Device Role / Timing Role: Low-quiescent boost converter activated upon main supply failure to sustain 5-V backup rail from 2.7–3.6 V source. Use Value: 0.05 µA shutdown current prevents backup energy depletion; PG output signals valid 5-V rail to system supervisor for safe state retention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar regulated charge pump DC-DC converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS60130PWP | Features low-battery detector (LBO) instead of power-good (PG); LBI input pin active; identical pinout and electrical specs otherwise. | Suitable for battery-fuel-gauge systems needing early warning before cutoff; not appropriate where output supervision is required. | Select TPS60130PWP when monitoring input battery voltage is prioritized over verifying regulated output integrity. |
| TPS60110PWP | Delivers same 5-V/300 mA output but lacks integrated PG/LBO comparators; requires external feedback resistors for regulation; higher quiescent current (120 µA typical). | Better suited for cost-sensitive, non-critical applications where supervisor functions are implemented elsewhere in the system. | Choose TPS60110PWP only if PG functionality is unnecessary and board space allows for external resistor network and additional supervision IC. |
Compared with TPS60131PWP, TPS60130PWP offers identical regulation and efficiency but swaps PG for LBO - making it unsuitable for output validation but ideal for battery health monitoring. TPS60110PWP trades integrated supervision and lower IQ for reduced component count in simpler systems, but requires external feedback and lacks fault signaling.
Availability
TPS60131PWP is available at Aetrix Electronics and suitable for portable medical instrumentation, PCMCIA smart card interfaces, and backup-battery boost converters requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.
Supply support for TPS60131PWP 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 leader specializing in analog, embedded processing, and power management technologies, with decades of expertise in high-efficiency DC-DC conversion.
The TPS6013x family was designed specifically for space-constrained, battery-powered applications demanding inductorless 5-V generation - targeting portable instrumentation, medical diagnostics, and smart-card infrastructure where reliability and low EMI are essential.
FAQ
What is the primary function of the PG pin on the TPS60131PWP?
The PG (Power Good) pin on the TPS60131PWP is an open-drain output that signals when the regulated 5-V output is within specification. It pulls low when VOUT drops below 90% of nominal (4.5 V), with 0.8% hysteresis, and releases high when regulation is restored. The TPS60131PWP requires an external 100 kΩ–1 MΩ pullup resistor to OUT; this feature eliminates the need for external supervisor ICs in systems relying on clean 5-V rail status.
Can the TPS60131PWP operate from a single Li-ion cell?
Yes, the TPS60131PWP operates across 2.7 V to 5.4 V input, fully covering the discharge curve of a single Li-ion or Li-polymer cell (typically 3.0 V to 4.2 V). At 3.0 V input, it delivers full 300 mA output current with >85% efficiency using adaptive mode switching. The TPS60131PWP maintains regulation down to 2.7 V, enabling extended runtime before system shutdown.
How does the TPS60131PWP achieve high efficiency without an inductor?
The TPS60131PWP uses a switched-capacitor (charge pump) topology with adaptive 1.5× and 2× voltage multiplication modes. By dynamically selecting the optimal conversion ratio based on input voltage and load, it minimizes switching losses and conduction losses in internal MOSFETs. This enables up to 90% efficiency using only four low-ESR ceramic capacitors - eliminating inductor-related core losses, saturation, and EMI.
What is the shutdown behavior of the TPS60131PWP?
When the ENABLE pin is driven low, the TPS60131PWP enters shutdown mode: all internal switches, oscillator, and control logic deactivate. Supply current drops to 0.05 µA (max), output leakage remains ≤1 µA, and the load is fully disconnected from the input. The TPS60131PWP exits shutdown in ~10 µs after ENABLE returns high, with controlled soft-start to limit inrush current.
Is the TPS60131PWP pin-compatible with other devices in the TPS6013x family?
Yes, all TPS6013x variants (TPS60130PWP, TPS60131PWP, TPS60132PWP, TPS60133PWP) share identical 20-pin HTSSOP (PWP) packaging and pinout. The only functional differences are internal: TPS60131PWP and TPS60133PWP integrate Power Good detection (PG pin active), while TPS60130PWP and TPS60132PWP implement Low Battery Output (LBO pin active); LBI/NC pin is unused on TPS60131PWP.
TPS60131PWP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 20-PowerTSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Charge Pump
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 5.4V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 300mA
- Frequency - Switching:
- 320kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-HTSSOP
TPS60131PWP FAQ
1.How can I place an order for TPS60131PWP through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS60131PWP 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 TPS60131PWP reliable?
The price and inventory of TPS60131PWP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS60131PWP is usually 5 days.
3.What payment methods are accepted for TPS60131PWP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS60131PWP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS60131PWP?
TPS60131PWP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS60131PWP 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 TPS60131PWP?
For technical support, including TPS60131PWP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS60131PWP requirements.
6.How does Aetrix verify that TPS60131PWP is sourced from the original manufacturer or authorized distributors?
All TPS60131PWP 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 TPS60131PWP meets industry standards.
7.What is the process for return or replacement of TPS60131PWP?
All TPS60131PWP units undergo pre-shipment inspection (PSI). If there is an issue with TPS60131PWP, 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 TPS60131PWP part is unused and in its original packaging.
Return procedure for TPS60131PWP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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