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Texas Instruments TPS60200DGSG4
- Part No.:
- TPS60200DGSG4
- Manufacturer:
- Texas Instruments
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TPS60200DGSG4.pdf
- Description:
- IC REG CHARGE PUMP 3.3V 10VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,177
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Product details
Overview
TPS60200DGSG4 from Texas Instruments is a regulated 3.3 V, 100-mA charge pump DC/DC converter for battery-powered systems operating from 1.6 V to 3.6 V input. It uses push-pull topology with four external ceramic capacitors, delivers <5 mVPP output ripple, and integrates a low-battery detector (LBI/LBO) with 1.18 V threshold. It serves as a compact, inductorless power supply in portable medical instruments and handheld instrumentation.
For engineers reviewing the TPS60200DGSG4 datasheet, TPS60200DGSG4 pinout, TPS60200DGSG4 application, or TPS60200DGSG4 equivalent, key selection criteria include its 100 mA regulated output at 3.3 V, ultra-low 35 µA quiescent current, integrated low-battery warning function, MSOP-10 package footprint, and compatibility with 1 µF flying capacitors and 2.2 µF input/output ceramics.
Technical Context
The TPS60200DGSG4 implements dual single-ended charge pumps operating in 180° phase-shifted push-pull mode to sustain continuous output current and minimize ripple. Its regulation uses error-amplifier-controlled MOSFET gate drive in constant-frequency mode above 7 mA load, switching seamlessly to pulse-skip mode below that threshold.
It features an internal 1.18 V reference, auto-discharge circuitry that drains the output capacitor when disabled, and EN pin dual-functionality: logic-level enable/disable control and external clock synchronization up to 800 kHz. The LBI/LBO comparator operates independently of regulation loop timing, with 10 mV hysteresis and sub-50 nA input bias.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output voltage | 3.3 V ±4% across 1.6–3.6 V input and 0–100 mA load - ensures stable MCU core supply under varying battery discharge. |
| Max output current | 100 mA continuous at VI ≥ 2 V - supports full operation of 3.3-V microcontrollers and sensors without thermal derating. |
| Output ripple | <5 mVPP at max load - eliminates need for post-regulation LDO in noise-sensitive analog signal chains. |
| Quiescent current | 35 µA typical at no load - extends shelf life and runtime in always-on portable devices like glucose meters. |
| Shutdown current | 0.05 µA - isolates battery from load and prevents parasitic drain during storage or system sleep. |
| Low-battery threshold | 1.18 V ±4% on LBI pin - enables precise end-of-life detection for two-cell alkaline/NiMH systems down to 0.59 V/cell. |
| Switching frequency | 200–400 kHz internal oscillator - avoids IF band interference while enabling small 1 µF flying capacitors. |
Pinout & Package
TPS60200DGSG4 is housed in a 10-pin MSOP package (3.00 mm × 3.00 mm body), thermally enhanced for high-density portable PCBs. Pin spacing is 0.5 mm; exposed pad optional per TI design guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - LBI | Low-battery detector input | Analog input referenced to GND; accepts resistive divider from battery to trigger LBO at 1.18 V - not connected for TPS60201/203 variants. |
| 2, 3 - GND | Power ground | Dual ground pins reduce impedance path for charge pump return currents and improve ripple rejection. |
| 4 - C1+ | Flying capacitor positive terminal (C1) | Connects to + terminal of 1 µF ceramic flying cap; switches between IN and OUT phases in push-pull cycle. |
| 5 - OUT | Regulated 3.3 V output | Delivers up to 100 mA; requires 2.2 µF ceramic bypass to GND; auto-discharged when EN = low. |
| 6 - C2+ | Flying capacitor positive terminal (C2) | Second flying cap node; 180° out-of-phase with C1+ to enable continuous charge transfer and low ripple. |
| 7 - IN | Input supply (1.6–3.6 V) | Accepts two-cell battery input; bypassed with 2.2 µF ceramic to GND to stabilize source impedance. |
| 8 - C2− | Flying capacitor negative terminal (C2) | Swings between GND and ~2×IN during transfer phase; must use low-ESR ceramic capacitor. |
| 9 - EN | Enable / sync input | Three-mode control: low = shutdown (0.05 µA), high = internal oscillator, AC signal = sync up to 800 kHz. |
| 10 - LBO | Open-drain low-battery output | Pulls low when LBI < 1.18 V; requires external pullup (100 kΩ–1 MΩ) to OUT or logic rail ≤3.6 V. |
Key Features
| Feature | Design Value |
|---|---|
| Push-pull charge pump topology | Enables continuous output current delivery and <5 mVPP ripple without inductors - critical for EMI-sensitive portable audio. |
| Integrated low-battery detector | 1.18 V ±4% threshold with 10 mV hysteresis and <50 nA input bias - allows accurate, low-power battery monitoring without external comparators. |
| Auto-output capacitor discharge | Drains OUT to <0.5 V within 0.6 ms of EN deassertion - ensures safe, predictable system power-down in medical devices. |
| Pulse-skip + constant-frequency hybrid regulation | Switches to pulse-skip below 7 mA load, cutting quiescent current to 35 µA while maintaining 30 mV offset - maximizes efficiency across dynamic loads. |
| External clock synchronization | EN pin accepts 400–800 kHz square wave; internal switching runs at half frequency - enables EMI coexistence in multi-rail systems. |
Applications
| Two-Cell Battery Systems | Portable Medical Devices |
|---|---|
Use Scenario: Powering glucose meters and blood pressure monitors from two AA/AAA alkaline or NiMH cells. IC Role / Device Role / Timing Role: Primary 3.3 V regulator delivering stable rail for ADC, LCD, and BLE SoC during variable load pulses. Use Value: 100 mA capability sustains peak sensor excitation and wireless transmission; 35 µA quiescent current extends battery life beyond 12 months in standby. |
Use Scenario: Compact, low-noise power supply in handheld ultrasound probes and pulse oximeters. IC Role / Device Role / Timing Role: Clean 3.3 V source for analog front-end amplifiers and precision reference circuits. Use Value: <5 mVPP ripple eliminates post-regulation filtering; MSOP-10 footprint fits tight probe housings without compromising PSRR. |
| MP3 Audio Players | Industrial Handheld Scanners |
Use Scenario: Supplying DSP, DAC, and flash memory in battery-operated portable audio players. IC Role / Device Role / Timing Role: Main DC/DC converter enabling direct battery-to-3.3 V conversion with minimal BOM count. Use Value: Four-capacitor solution reduces component count and board area vs. inductor-based alternatives; 90% efficiency preserves playback time. |
Use Scenario: Power management in ruggedized barcode scanners and RFID readers used in warehouses. IC Role / Device Role / Timing Role: Robust 3.3 V rail generator tolerant of wide input range (1.6–3.6 V) during partial battery discharge. Use Value: Low-battery warning (LBI/LBO) triggers UI alerts before system brownout; auto-discharge prevents false wake-ups after shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar regulated charge pump applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS60201DGSG4 | Replaces LBI/LBO with PG (power-good) open-drain output; identical 3.3 V/100 mA regulation and pinout. | Used where system reset or supervisor IC requires power-valid assertion instead of battery-low alert. | Select TPS60201DGSG4 when interfacing with PMICs or MCUs requiring a power-good signal rather than low-battery warning. |
| TPS60122DGSG4 | Higher 200 mA output, same 3.3 V regulation, but larger 16-pin QFN package and higher 65 µA quiescent current. | Suitable for systems needing headroom beyond 100 mA or tighter line/load regulation (±2.5% vs ±4%). | Choose TPS60122DGSG4 only if sustained >100 mA load or lower quiescent current is not required - avoid for space-constrained designs. |
Compared with TPS60200DGSG4, TPS60201DGSG4 swaps low-battery detection for power-good signaling while retaining identical regulation performance and footprint; TPS60122DGSG4 trades size and quiescent current for doubled output current and tighter accuracy - making it over-specified for most TPS60200 use cases.
Availability
TPS60200DGSG4 is available at Aetrix Electronics and suitable for portable medical devices, handheld instrumentation, MP3 audio players, and two-cell battery systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for TPS60200DGSG4 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 battery-efficient DC/DC conversion.
The TPS6020x product line was designed specifically for space-constrained, battery-powered applications requiring regulated 3.3 V output without inductors - targeting portable healthcare, consumer audio, and handheld industrial tools.
FAQ
What is the input voltage range supported by the TPS60200DGSG4?
The TPS60200DGSG4 operates from 1.6 V to 3.6 V input, enabling reliable startup and regulation across the full discharge curve of two alkaline, NiCd, or NiMH cells. It maintains 3.3 V ±4% output down to 1.6 V input, with minimum 100 mA output current specified at VI ≥ 2 V. Below 1.8 V, output voltage drops to 3.0 V minimum to preserve regulation integrity.
Does the TPS60200DGSG4 require external inductors?
No, the TPS60200DGSG4 is an inductorless charge pump DC/DC converter. It uses only four external ceramic capacitors - two 1 µF flying capacitors (C1, C2), one 2.2 µF input capacitor (Ci), and one 2.2 µF output capacitor (Co) - to achieve regulated 3.3 V output with <5 mVPP ripple. This eliminates EMI concerns and simplifies layout in compact portable designs.
How does the low-battery detection function work on the TPS60200DGSG4?
The TPS60200DGSG4 integrates a precision low-battery comparator with 1.18 V ±4% threshold on the LBI pin. When voltage at LBI falls below this level, the open-drain LBO pin pulls low. A resistive divider from battery to LBI sets the trip point; TI recommends R1+R2 between 100 kΩ and 1 MΩ to minimize loading. LBO requires an external pullup resistor to OUT or another ≤3.6 V rail.
What happens to the output when the TPS60200DGSG4 is disabled via the EN pin?
When EN is pulled low, the TPS60200DGSG4 enters shutdown mode with 0.05 µA supply current, isolating IN from OUT. Crucially, an internal auto-discharge transistor actively drains the output capacitor (Co) to <0.5 V within 0.6 ms. This ensures the downstream system reaches a known, safe zero-voltage state - a requirement for medical and safety-critical portable equipment.
Can the TPS60200DGSG4 be synchronized to an external clock signal?
Yes, the EN pin serves dual purpose: logic-level enable/disable and external clock input. Applying a 400–800 kHz square wave to EN synchronizes internal switching at half that frequency (200–400 kHz). This feature enables EMI reduction in systems with multiple switching regulators. If the EN signal remains low >10 µs, the device disables - ensuring robust clock loss detection.
TPS60200DGSG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Discontinued at Digi-Key
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Charge Pump
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.6V
- Voltage - Input (Max):
- 3.6V
- Voltage - Output (Min/Fixed):
- 3.3V
- Voltage - Output (Max):
- -
- Current - Output:
- 100mA
- Frequency - Switching:
- 300kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-VSSOP
TPS60200DGSG4 FAQ
1.How can I place an order for TPS60200DGSG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS60200DGSG4 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 TPS60200DGSG4 reliable?
The price and inventory of TPS60200DGSG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS60200DGSG4 is usually 5 days.
3.What payment methods are accepted for TPS60200DGSG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS60200DGSG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS60200DGSG4?
TPS60200DGSG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS60200DGSG4 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 TPS60200DGSG4?
For technical support, including TPS60200DGSG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS60200DGSG4 requirements.
6.How does Aetrix verify that TPS60200DGSG4 is sourced from the original manufacturer or authorized distributors?
All TPS60200DGSG4 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 TPS60200DGSG4 meets industry standards.
7.What is the process for return or replacement of TPS60200DGSG4?
All TPS60200DGSG4 units undergo pre-shipment inspection (PSI). If there is an issue with TPS60200DGSG4, 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 TPS60200DGSG4 part is unused and in its original packaging.
Return procedure for TPS60200DGSG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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