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Texas Instruments TPS60500DGS
- Part No.:
- TPS60500DGS
- Manufacturer:
- Texas Instruments
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TPS60500DGS.pdf
- Description:
- IC REG CHARGE PUMP ADJ 10VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:8,474
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Product details
Overview
TPS60500DGS from Texas Instruments is an adjustable-output, high-efficiency step-down charge pump IC designed for space-constrained battery-powered systems. It delivers up to 250 mA output current with regulated output voltage adjustable from 0.8 V to 3.3 V across a 1.8 V–6.5 V input range, achieving up to 90% efficiency and featuring integrated power-good supervision and thermal/overcurrent protection. It is used in portable instrumentation requiring compact, low-quiescent-current DC-DC conversion.
For engineers reviewing the TPS60500DGS datasheet, TPS60500DGS pinout, TPS60500DGS application, or TPS60500DGS equivalent, key selection considerations include its adjustable output architecture, 10-pin VSSOP package, automatic multi-mode fractional conversion (LDO/2/3x/0.5x/1/3x), 40 µA quiescent current, and power-good open-drain output with 97% trip threshold.
Technical Context
The TPS60500DGS implements switched-capacitor fractional conversion using two flying capacitors (C1F, C2F) and internal MOSFET switches to achieve regulation without inductors. Its control logic automatically selects among LDO, 2/3x, 0.5x, and 1/3x modes based on VIN/VOUT ratio and load - enabling high efficiency across wide input/output combinations while maintaining ±3% output tolerance over line, load, and temperature.
Regulation is achieved via feedback at the FB pin (0.8 V reference), with skip-mode operation below 150 mA and linear regulation above. The device integrates soft-start, thermal shutdown (150°C), short-circuit current limiting (300 mA typical at startup), and load isolation during shutdown - critical for Li-ion battery shelf-life preservation in portable electronics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage Range | Adjustable 0.8 V to 3.3 V - set externally via resistor divider at FB pin; enables flexible core voltage scaling for DSPs, MCUs, and sensors. |
| Max Output Current | 250 mA - supports moderate-power digital loads; requires ≥22 µF output capacitance above 150 mA for stability. |
| Input Voltage Range | 1.8 V to 6.5 V - compatible with single-cell Li-ion (2.7–4.2 V), NiMH, or USB-powered inputs without external regulators. |
| Quiescent Current | <40 µA - minimizes battery drain in standby; drops to 0.05 µA in shutdown mode via EN pin. |
| Efficiency | Up to 90% - achieved through adaptive mode switching (LDO/2/3x/0.5x/1/3x); peak efficiency occurs at mid-load and optimal VIN/VOUT ratios. |
| Power-Good Threshold | 97% of nominal VOUT - open-drain PG pin asserts high when output reaches regulation; supports system reset sequencing and fault monitoring. |
| Switching Frequency | 600–1200 kHz - fixed-frequency oscillator enables predictable EMI filtering and small ceramic capacitor selection (1 µF flying caps). |
Pinout & Package
TPS60500DGS is housed in a 10-pin VSSOP package (3.05 mm × 4.98 mm), optimized for high-density PCB layouts in portable devices. Thermal resistance is RθJA = 157°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN (Pin 1) | Enable input | Active-low logic control: pulling low enables converter; high disables it with <0.1 µA leakage and full input-output isolation. |
| PG (Pin 2) | Power-good output | Open-drain output that goes high when VOUT ≥ 97% of target; requires external pull-up for system monitoring or reset assertion. |
| C1F− (Pin 3) | Flying capacitor terminal | Negative connection for first flying capacitor (C1F); part of charge-transfer path in all conversion modes. |
| C2F+ (Pin 4) | Flying capacitor terminal | Positive connection for second flying capacitor (C2F); alternates polarity with C1F during switching phases. |
| VIN (Pin 5) | Input supply | Main power input (1.8–6.5 V); bypassed with 2.2 µF ceramic capacitor to reduce input impedance and improve efficiency. |
| C1F+ (Pin 6) | Flying capacitor terminal | Positive connection for first flying capacitor (C1F); forms dual-capacitor charge-pump network with C2F. |
| OUT (Pin 7) | Regulated output | Primary power output; requires ≥4.7 µF (≥22 µF for >150 mA) ceramic capacitor for stability and ripple suppression. |
| C1F− (Pin 8) | Flying capacitor terminal | Duplicate entry for C1F− - confirmed as Pin 8 per TI SLVS391C; shared node with Pin 3 in functional block diagram. |
| GND (Pin 9) | Ground reference | System ground return; must be low-impedance and thermally coupled to PCB copper for thermal performance (RθJB = 76°C/W). |
| FB (Pin 10) | Feedback input | Connects to resistor divider from OUT; senses 0.8 V reference to regulate adjustable output; max divider resistance = 1 MΩ. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-mode fractional conversion | Automatically selects LDO, 2/3x, 0.5x, or 1/3x topology based on VIN/VOUT and load - maintains >85% efficiency across 1.8–6.5 V input and 0.8–3.3 V output. |
| Integrated power-good supervisor | Open-drain PG pin with 97% trip threshold and 100–200 µs positive ramp delay - enables reliable power sequencing and brown-out detection in DSP/MCU systems. |
| Ultra-low quiescent current | 40 µA typical no-load input current - extends battery runtime in always-on sensor nodes and portable medical devices. |
| Load isolation in shutdown | EN-high state disconnects OUT from VIN and draws only 0.05 µA - prevents battery discharge during storage or sleep modes. |
| Robust protection suite | Thermal shutdown (150°C), short-circuit current limit (300 mA start-up, 500 mA steady-state), and overtemperature foldback - ensures safe operation under fault conditions. |
Applications
| Portable Instrumentation | DSP Core Supply |
|---|---|
|
Use Scenario: Handheld multimeter or portable oscilloscope powered by single Li-ion cell (3.0–4.2 V), requiring stable 1.8 V for microcontroller and 3.3 V for analog front-end. IC Role / Device Role / Timing Role: Primary step-down charge pump generating adjustable 1.8 V rail; replaces inductor-based buck converter to reduce board area and EMI. Use Value: Enables ultra-compact design with only four 0805 ceramic capacitors; achieves 89% efficiency at 100 mA load while drawing <50 µA in standby. |
Use Scenario: Digital signal processor (DSP) in voice recorder or audio analyzer needing 1.5 V core voltage and precise power sequencing relative to I/O supply. IC Role / Device Role / Timing Role: Adjustable-output charge pump providing regulated 1.5 V core rail; PG output synchronized with enable timing to control downstream LDO sequencing. Use Value: Eliminates need for external sequencing IC; PG delay (100–200 µs) ensures stable core voltage before releasing DSP reset, preventing boot failure. |
| USB-Powered Peripherals | Low-Power Sensor Node |
|
Use Scenario: USB-powered barcode scanner or HID device operating from 4.75–5.25 V bus, requiring 3.3 V for logic and 1.8 V for image sensor interface. IC Role / Device Role / Timing Role: Dual-rail generation via cascaded TPS60500DGS (adjustable) and fixed-output variant; leverages wide input range to tolerate USB voltage droop. Use Value: Maintains regulation down to VIN = 4.3 V at 150 mA (per device spec), ensuring uninterrupted operation during USB cable voltage drop under load. |
Use Scenario: Battery-operated environmental sensor node (temperature/humidity) with MCU sleeping >99% of time, waking periodically to sample and transmit data. IC Role / Device Role / Timing Role: Primary power regulator converting 3.6 V Li-ion to 0.8–2.5 V configurable rail; EN pin controlled by MCU GPIO to gate power during deep sleep. Use Value: Reduces system quiescent current to ~0.1 µA (EN-high + MCU sleep), extending 2000 mAh battery life to >5 years in typical deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down charge pump applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS60501DGS | Fixed 3.3 V output; no FB pin required; internal resistor divider replaces external network. | Used where 3.3 V rail is sufficient and layout simplicity is prioritized over voltage flexibility. | Select TPS60501DGS when fixed 3.3 V output eliminates need for feedback resistors and reduces BOM count. |
| MAX8815AETE+ | Fixed 1.8 V or 2.5 V outputs; 200 mA max output; 1.6–5.5 V input; uses single flying capacitor. | Suitable for lower-current applications where smaller solution size (6-pin TDFN) outweighs adjustable output need. | Choose MAX8815AETE+ for cost-sensitive, space-constrained designs needing ≤200 mA at fixed 1.8 V/2.5 V with minimal external components. |
Compared with TPS60501DGS and MAX8815AETE+, the TPS60500DGS uniquely supports user-defined output voltages from 0.8 V to 3.3 V - enabling optimal power efficiency for diverse core voltages while retaining full protection and sequencing features in the same 10-pin VSSOP footprint.
Availability
TPS60500DGS is available at Aetrix Electronics and suitable for portable instrumentation, DSP core supplies, USB-powered peripherals, and low-power sensor nodes requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for TPS60500DGS 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 and embedded processing technologies, with decades of expertise in power management ICs for battery-powered and industrial applications.
The TPS6050x product line was designed specifically for space-critical, battery-operated systems requiring high-efficiency, inductorless DC-DC conversion - targeting mobile phones, portable instruments, and USB-powered devices where board area and quiescent power are paramount.
FAQ
What output voltage range does the TPS60500DGS support?
The TPS60500DGS supports an adjustable output voltage range from 0.8 V to 3.3 V, set externally via a resistor divider connected to the FB pin. This flexibility allows precise matching to MCU, DSP, or sensor core voltage requirements. The internal 0.8 V reference ensures ±3% output tolerance over line, load, and temperature - verified across −40°C to +125°C junction temperature.
How does the TPS60500DGS achieve high efficiency without an inductor?
The TPS60500DGS uses switched-capacitor fractional conversion with two flying capacitors (C1F, C2F) and internal MOSFET switches to implement LDO, 2/3x, 0.5x, and 1/3x topologies. Its control logic automatically selects the most efficient mode based on VIN/VOUT ratio and load - delivering up to 90% efficiency while eliminating magnetic components and associated EMI concerns.
What is the minimum input voltage required for 150 mA output from the TPS60500DGS?
For 150 mA output, the TPS60500DGS requires VIN > VOUT + 1 V - for example, 2.8 V minimum input when regulating 1.8 V, or 4.3 V when regulating 3.3 V. This relationship is defined in the device comparison table and confirmed across electrical characteristics; operation below this threshold forces linear (LDO) mode with reduced efficiency and higher dropout.
Can the TPS60500DGS be used with ceramic capacitors only?
Yes - the TPS60500DGS is designed exclusively for ceramic capacitors: 2.2 µF input (CIN), two 1 µF flying caps (C1F, C2F), and ≥4.7 µF output (COUT). For >150 mA loads, ≥22 µF COUT is required. Ceramic types (X5R/X7R) are mandatory due to low ESR requirements; tantalum or electrolytic capacitors are not supported and will cause instability.
Does the TPS60500DGS provide power-good signaling, and how is it implemented?
Yes - the TPS60500DGS includes an open-drain power-good (PG) output that asserts high when VOUT reaches ≥97% of its nominal value. It features 100–200 µs positive-ramp delay (td,r) and 50–100 µs negative-ramp delay (td,f). An external pull-up resistor (to VIN or VOUT) is required; unused PG pins should remain unconnected per TI recommendations.
TPS60500DGS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Charge Pump
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.8V
- Voltage - Input (Max):
- 6.5V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 3.3V
- Current - Output:
- 250mA
- Frequency - Switching:
- 800kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-VSSOP
TPS60500DGS FAQ
1.How can I place an order for TPS60500DGS through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS60500DGS 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 TPS60500DGS reliable?
The price and inventory of TPS60500DGS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS60500DGS is usually 5 days.
3.What payment methods are accepted for TPS60500DGS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS60500DGS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS60500DGS?
TPS60500DGS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS60500DGS 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 TPS60500DGS?
For technical support, including TPS60500DGS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS60500DGS requirements.
6.How does Aetrix verify that TPS60500DGS is sourced from the original manufacturer or authorized distributors?
All TPS60500DGS 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 TPS60500DGS meets industry standards.
7.What is the process for return or replacement of TPS60500DGS?
All TPS60500DGS units undergo pre-shipment inspection (PSI). If there is an issue with TPS60500DGS, 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 TPS60500DGS part is unused and in its original packaging.
Return procedure for TPS60500DGS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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