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Texas Instruments TPS60501DGSR
- Part No.:
- TPS60501DGSR
- Manufacturer:
- Texas Instruments
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TPS60501DGSR.pdf
- Description:
- IC REG CHARGE PUMP 3.3V 10VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:9,668
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Product details
Overview
TPS60501DGSR from Texas Instruments is a fixed-output 3.3-V, high-efficiency step-down charge pump DC-DC converter for space-constrained battery-powered systems. It delivers up to 250 mA output current with ≤3% voltage tolerance over line, load, and temperature, operates from 1.8 V to 6.5 V input, and integrates power-good supervision and thermal/overcurrent protection. It serves as the primary regulated supply for low-voltage logic in portable instrumentation.
For engineers reviewing the TPS60501DGSR datasheet, TPS60501DGSR pinout, TPS60501DGSR application, or TPS60501DGSR equivalent, key selection criteria include its 3.3-V fixed output, 10-pin VSSOP package, 90% peak efficiency, integrated PG flag, and automatic multi-mode fractional conversion (LDO/2/3x/0.5x/1/3x) optimized for Li-ion input ranges.
Technical Context
The TPS60501DGSR implements switched-capacitor fractional conversion using two flying capacitors (C1F, C2F) and internal MOSFET switches to achieve regulation without inductors. Its control architecture dynamically selects among LDO, 2/3x, 0.5x, and 1/3x modes based on VIN/VOUT ratio and load current - enabling >90% efficiency across 1.8–6.5 V input while maintaining 3.3 V ±3% output.
It features an open-drain power-good (PG) output that asserts high when OUT reaches ≥97% of nominal (3.201 V), internal soft-start (80 µs no-load start-up), <40 µA quiescent current, and full protection: thermal shutdown at 150°C, short-circuit current limit (300 mA typ. at VOUT < 0.6 V), and load isolation during shutdown.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3 V ±3% over line, load, and −40°C to +125°C junction temperature - ensures stable core/I/O rail for 3.3-V logic interfaces. |
| Max Output Current | 250 mA continuous - supports moderate-power digital subsystems (e.g., microcontrollers, ADCs, USB PHYs) without external pass devices. |
| Input Voltage Range | 1.8 V to 6.5 V - compatible with single-cell Li-ion (2.7–4.2 V), NiMH, or dual-cell alkaline inputs without pre-regulation. |
| Peak Efficiency | 90% at 150 mA and 5 V input - minimizes heat generation and extends battery runtime in portable applications. |
| Quiescent Current | <40 µA (no load) - preserves battery shelf life during system standby or deep-sleep modes. |
| Switching Frequency | 600–1200 kHz (typ. 800 kHz) - enables use of small 1-µF ceramic flying capacitors and reduces EMI compared to lower-frequency charge pumps. |
| Power-Good Threshold | 97% of nominal (3.201 V) with 100–200 µs positive ramp delay - provides reliable reset signaling for downstream logic sequencing. |
Pinout & Package
TPS60501DGSR is housed in a 10-pin VSSOP package (3.05 mm × 4.98 mm, 0.5-mm pitch), optimized for compact PCB layouts in handheld devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN (Pin 1) | Enable input | Active-low logic control: pulling low enables regulation; high disables device and isolates load from input (ISD < 0.5 µA). |
| PG (Pin 2) | Open-drain power-good output | Asserts high when OUT ≥ 3.201 V; requires external pull-up to VIN or OUT for proper logic-level signaling. |
| C1F− (Pin 8), C1F+ (Pin 6) | Flying capacitor C1F terminals | Connect 1-µF ceramic capacitor; forms first stage of fractional charge transfer network. |
| C2F− (Pin 3), C2F+ (Pin 4) | Flying capacitor C2F terminals | Connect second 1-µF ceramic capacitor; works with C1F in 2/3x, 0.5x, and 1/3x conversion modes. |
| VIN (Pin 5) | Main power input | Accepts 1.8–6.5 V; requires 2.2-µF ceramic input capacitor (Ci) for stability and ripple suppression. |
| FB (Pin 10) | Feedback input | Internally tied to 3.3-V reference; must be connected directly to OUT for fixed-output operation. |
| GND (Pin 9) | Ground reference | System ground return for all internal circuits and external capacitors; critical for noise immunity and thermal performance. |
| OUT (Pin 7) | Regulated 3.3-V output | Delivers up to 250 mA; bypassed with ≥10-µF ceramic capacitor (Co) for stability and low ripple (<30 mVPP at 150 mA). |
Key Features
| Feature | Design Value |
|---|---|
| Multi-mode fractional conversion | Automatically selects LDO, 2/3x, 0.5x, or 1/3x mode to maintain >85% efficiency across 1.8–6.5 V input and 0–250 mA load. |
| Integrated power-good supervisor | Open-drain PG output with precise 97% trip point and controlled delay ensures reliable system reset and sequencing. |
| Load isolation in shutdown | EN = high disconnects OUT from VIN, limiting load leakage to <1 µA - extends battery shelf life in always-on portable devices. |
| Robust protection suite | Thermal shutdown (150°C), short-circuit current limit (300 mA typ.), and overcurrent foldback prevent damage under fault conditions. |
| Ultra-low quiescent current | <40 µA no-load input current enables multi-year battery operation in infrequently active IoT sensors and wearables. |
Applications
| Portable Instrumentation | USB-Powered Peripherals |
|---|---|
Use Scenario: Handheld multimeter or data logger powered by single Li-ion cell (3.0–4.2 V), requiring clean 3.3-V rail for MCU, display driver, and precision ADC. IC Role / Device Role / Timing Role: Primary regulated 3.3-V power source; replaces inefficient linear regulator to extend battery life and reduce thermal load. Use Value: Delivers 250 mA at 90% efficiency across full battery discharge curve, eliminating need for bulky inductors and reducing board area by >40% vs. buck converter solutions. |
Use Scenario: USB-powered barcode scanner or HID device drawing power from 5-V USB port, needing stable 3.3-V supply for CMOS image sensor and BLE radio. IC Role / Device Role / Timing Role: Input-to-output voltage translator and regulator; accepts 4.75–5.25 V USB input and delivers tightly regulated 3.3 V. Use Value: Maintains 3.3 V ±3% under dynamic load (e.g., sensor burst capture), with PG signal enabling firmware-controlled power sequencing and fault detection. |
| Mobile Audio Players | PC Card Interfaces |
Use Scenario: Flash-based MP3 player using single-cell Li-ion battery, where audio DAC, flash memory, and LCD controller require low-noise 3.3-V supply. IC Role / Device Role / Timing Role: Main system power converter; supplies 3.3 V to mixed-signal ICs with minimal ripple-induced audible noise. Use Value: Achieves <30 mVPP output ripple at 150 mA with 10-µF ceramic output cap, avoiding audible switching artifacts in analog audio paths. |
Use Scenario: PCMCIA or ExpressCard adapter requiring 3.3-V I/O rail from host 3.3-V or 5-V slot power, with strict size constraints. IC Role / Device Role / Timing Role: Voltage translator and regulator for legacy 3.3-V interface logic; provides PG signal for hot-plug detection. Use Value: 10-pin VSSOP footprint fits within narrow card edge space; PG output synchronizes enumeration with stable 3.3-V rail establishment. |
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 |
|---|---|---|---|
| TPS60502DGSR | Fixed 1.8-V output; minimum input voltage 2.8 V for 150 mA load; same pinout and package. | Targets ultra-low-voltage logic (e.g., ARM Cortex-M0+, low-power FPGAs) instead of 3.3-V I/O domains. | Select when system requires 1.8 V rather than 3.3 V - no layout change needed, but FB must remain connected to OUT. |
| MAX17222ETA+ | 1.8-V fixed output, 300-mA capability, 95% peak efficiency; uses different pinout (8-pin µDFN) and requires only one flying capacitor. | Higher current and efficiency suited for denser portable designs; lacks integrated PG output and thermal shutdown. | Choose for higher output current or smaller footprint where PG supervision is handled externally; verify thermal design due to missing on-die thermal protection. |
Compared with TPS60501DGSR, TPS60502DGSR offers identical form-factor and protection but targets 1.8-V logic rails, while MAX17222ETA+ trades integrated PG and thermal safety for higher current and smaller size - making TPS60501DGSR optimal for cost-sensitive, safety-aware 3.3-V portable systems.
Availability
TPS60501DGSR is available at Aetrix Electronics and suitable for portable instrumentation, USB-powered peripherals, and mobile audio players requiring stable component supply with guaranteed long-term manufacturability.
Supply support for TPS60501DGSR 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 TPS6050x family was designed specifically for space-critical, battery-powered applications demanding high-efficiency, inductorless voltage reduction - targeting portable instrumentation, mobile audio, and USB peripherals where board area and battery life are paramount.
FAQ
What is the minimum input voltage required for TPS60501DGSR to deliver 150 mA at 3.3 V?
The TPS60501DGSR requires a minimum input voltage of 4.3 V to sustain 150 mA output at its fixed 3.3-V output. This is specified in the device comparison table and confirmed by efficiency curves showing stable regulation above this threshold. Below 4.3 V, output current capability decreases progressively due to reduced headroom for charge-pump operation.
Does TPS60501DGSR require external feedback resistors to set its output voltage?
No, TPS60501DGSR does not require external feedback resistors. It is a fixed-output variant with internal resistor divider configured for 3.3 V; the FB pin must be connected directly to the OUT pin per the datasheet. External resistors are only needed for the adjustable TPS60500DGSR variant.
How does the power-good (PG) output of TPS60501DGSR behave during startup and shutdown?
During startup, the PG pin remains low until the OUT voltage rises to ≥97% of 3.3 V (≥3.201 V), then pulls high after a 100–200 µs positive-ramp delay. During shutdown (EN = high), PG is actively pulled low. An external pull-up resistor (to VIN or OUT) is required for proper logic-level signaling in both states.
Can TPS60501DGSR operate from a single 1.5-V alkaline cell?
No, TPS60501DGSR cannot operate from a single 1.5-V alkaline cell. Its absolute minimum input voltage is 1.8 V, and recommended operating range starts at 1.8 V. A single alkaline cell drops below 1.8 V early in discharge; two cells (3.0 V initial) or a Li-ion cell (2.7–4.2 V) are appropriate sources.
What ceramic capacitor values are mandatory for stable operation of TPS60501DGSR?
For stable operation, TPS60501DGSR requires: 2.2-µF input capacitor (Ci), two 1-µF flying capacitors (C1F, C2F), and ≥10-µF output capacitor (Co) for loads ≤150 mA. For 250-mA operation, Co must be ≥22 µF (e.g., two 10-µF ceramics in parallel). All must be X5R/X7R ceramic types with low ESR.
TPS60501DGSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Charge Pump
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.8V
- Voltage - Input (Max):
- 6.5V
- Voltage - Output (Min/Fixed):
- 3.3V
- Voltage - Output (Max):
- -
- 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
TPS60501DGSR FAQ
1.How can I place an order for TPS60501DGSR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS60501DGSR 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 TPS60501DGSR reliable?
The price and inventory of TPS60501DGSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS60501DGSR is usually 5 days.
3.What payment methods are accepted for TPS60501DGSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS60501DGSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS60501DGSR?
TPS60501DGSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS60501DGSR 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 TPS60501DGSR?
For technical support, including TPS60501DGSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS60501DGSR requirements.
6.How does Aetrix verify that TPS60501DGSR is sourced from the original manufacturer or authorized distributors?
All TPS60501DGSR 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 TPS60501DGSR meets industry standards.
7.What is the process for return or replacement of TPS60501DGSR?
All TPS60501DGSR units undergo pre-shipment inspection (PSI). If there is an issue with TPS60501DGSR, 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 TPS60501DGSR part is unused and in its original packaging.
Return procedure for TPS60501DGSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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