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Texas Instruments TPS2052ADR
- Part No.:
- TPS2052ADR
- Manufacturer:
- Texas Instruments
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TPS2052ADR.pdf
- Description:
- IC PWR SWITCH N-CHAN 1:2 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,029
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Product details
Overview
TPS2052ADR from Texas Instruments is a dual-channel, 500 mA per channel, high-side N-channel MOSFET power-distribution switch with 80 mΩ on-resistance, independent thermal/short-circuit protection, and CMOS/TTL-compatible active-high enable inputs. It operates from 2.7 V to 5.5 V and delivers controlled 2.5-ms typical rise time for inrush current limiting in USB-powered peripherals and embedded power rails.
For engineers reviewing the TPS2052ADR datasheet, TPS2052ADR pinout, TPS2052ADR application, or TPS2052ADR equivalent, key selection criteria include per-channel current limit (0.9 A typ), undervoltage lockout (~2 V), standby supply current (10 µA max), and SOIC-8 package compatibility with space-constrained industrial and consumer PCB layouts.
Technical Context
The TPS2052ADR integrates two independent high-side switches, each driven by an internal charge pump enabling full enhancement down to 2.7 V input. Each channel features dedicated overcurrent logic output (OC1/OC2) and uses a sense FET-not a shunt resistor-for accurate, low-loss current monitoring.
Its dual-threshold thermal protection (trip at ~140°C, ~120°C hysteresis) isolates faulted channels without disrupting adjacent outputs. The device implements undervoltage lockout (UVLO) and supports bidirectional switching behavior only under specific load conditions-not as a design feature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Dual independent high-side power switches |
| Continuous current per channel | 500 mA - supports USB 2.0 downstream ports and auxiliary 3.3 V/5 V rails |
| On-resistance (rDS(on)) | 80 mΩ max at 5 V - limits voltage drop to ≤400 mV at 500 mA, reducing thermal stress |
| Enable logic polarity | Active-high - compatible with microcontroller GPIOs without level-shifting |
| Rise time (tr) | 2.5 ms typical - suppresses inrush current into 1 µF capacitive loads |
| Standby supply current | 10 µA max - enables ultra-low-power system sleep modes |
| Operating voltage range | 2.7 V to 5.5 V - covers Li-ion battery (3.0–4.2 V) and regulated 3.3 V/5 V supplies |
Pinout & Package
TPS2052ADR is housed in an 8-pin SOIC (D) package with exposed pad for thermal performance. Pin numbering follows standard D-package top-view orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pin 1) | Power ground reference | Common return path for both channels and internal circuitry; must be low-impedance |
| IN (Pin 2) | Input voltage supply | Single shared input rail for both high-side switches; accepts 2.7–5.5 V |
| EN1 (Pin 3) | Channel 1 enable input | Active-high logic control for OUT1; TTL/CMOS compatible |
| EN2 (Pin 4) | Channel 2 enable input | Active-high logic control for OUT2; independent of EN1 |
| OC2 (Pin 5) | Channel 2 overcurrent output | Open-drain, active-low flag indicating current-limit or thermal shutdown on OUT2 |
| OUT1 (Pin 6) | Channel 1 power output | Switched high-side output; connects to load when EN1 = high |
| OUT2 (Pin 7) | Channel 2 power output | Switched high-side output; connects to load when EN2 = high |
| OC1 (Pin 8) | Channel 1 overcurrent output | Open-drain, active-low flag indicating current-limit or thermal shutdown on OUT1 |
Key Features
| Feature | Design Value |
|---|---|
| Independent per-channel protection | Each switch has dedicated OCx output and thermal shutdown-fault on one channel does not disable the other |
| Charge-pump gate drive | Enables full N-MOSFET enhancement from 2.7 V input, eliminating need for external boost circuitry |
| Controlled slew rate | 2.5-ms rise time minimizes EMI and prevents bus voltage collapse during hot-plug events |
| Undervoltage lockout (UVLO) | Disables outputs below ~2 V input-prevents erratic operation during brownout or battery depletion |
| ESD robustness | 2 kV HBM rating-reduces risk of damage during board handling and assembly |
Applications
| USB Peripheral Power Switching | Industrial I/O Module Protection |
|---|---|
Use Scenario: Hot-plugging USB devices (keyboards, hubs, sensors) into embedded host controllers. IC Role / Device Role / Timing Role: Dual high-side switch controlling power delivery to two independent USB downstream ports with inrush limiting. Use Value: Prevents bus voltage sag and host controller reset during plug-in; OCx flags enable firmware-level fault logging. | Use Scenario: Isolating field-connected 24 V DC sensors or actuators from PLC backplane power. IC Role / Device Role / Timing Role: Dual protected power rail switch enabling/disabling sensor groups with independent fault reporting. Use Value: Limits short-circuit energy to <100 mJ per channel; thermal isolation prevents cascading failure across I/O banks. |
| Portable Medical Device Rails | Automotive Infotainment Subsystem |
Use Scenario: Managing power to display backlight and audio amplifier in battery-powered patient monitors. IC Role / Device Role / Timing Role: Dual 500 mA rail switch with UVLO and low quiescent current for extended battery life. Use Value: 10 µA standby current extends runtime in sleep mode; 2.7–5.5 V range matches LiPo discharge profile. | Use Scenario: Power sequencing and fault protection for USB-C and HDMI interface ICs in head units. IC Role / Device Role / Timing Role: Dual-channel distribution switch providing isolated 5 V rails with OCx-driven diagnostic interrupt to MCU. Use Value: Enables real-time detection of cable shorts or connector debris before system-level fuse blow. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel power-switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS2042ADR | Active-low enable inputs; otherwise identical electrical specs and pinout | Requires inverted logic control signal; unsuitable where MCU GPIOs lack open-drain or inversion capability | Select TPS2042ADR only if system-level enable logic is naturally active-low and timing budget allows for same turn-on delay |
| AP2152MPG-13 | Single-channel, 2 A rated, 110 mΩ rDS(on), no OC output, SOT-23-6 package | Lacks dual-channel integration and fault reporting; requires two devices and external monitoring for equivalent functionality | Choose AP2152MPG-13 only for cost-sensitive, single-rail designs where OC feedback is unnecessary and board area permits duplication |
Compared with TPS2042ADR and AP2152MPG-13, the TPS2052ADR provides native active-high control and integrated dual-channel fault signaling-reducing firmware complexity and PCB footprint while maintaining identical thermal and current-limit behavior.
Availability
TPS2052ADR is available at Aetrix Electronics and suitable for USB peripheral management, industrial I/O protection, and portable medical device power rails requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for TPS2052ADR 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 over 50 years of innovation in industrial, automotive, and communications markets.
The TPS205xA family was designed specifically for robust, low-EMI power distribution in USB-compliant and hot-swap-capable systems-emphasizing per-channel fault isolation, wide-input-voltage operation, and minimal external component count.
FAQ
What is the maximum continuous current per channel for the TPS2052ADR?
The TPS2052ADR supports 500 mA continuous current per channel under recommended operating conditions (TA ≤ 85°C, adequate PCB copper). Its current-limit threshold is 0.9 A typical, allowing brief overload tolerance before entering constant-current mode. This rating ensures reliable operation in USB 2.0 downstream ports and auxiliary 3.3 V/5 V rails without derating in standard SOIC-8 layouts.
Does the TPS2052ADR support bidirectional current flow?
No, the TPS2052ADR is configured as a unidirectional high-side switch. Its N-channel MOSFET architecture blocks reverse current (OUT → IN) when disabled, and forward conduction (IN → OUT) only occurs when the respective ENx input is asserted. Bidirectional behavior is not supported-external diodes or alternate topology would be required for reverse-path operation.
How does the overcurrent (OCx) output behave during a short circuit?
During a short circuit, the TPS2052ADR's OCx output (open-drain) pulls low immediately upon detection of current exceeding the 0.9 A threshold. It remains low until the fault is removed and the device recovers from current-limit mode. If thermal shutdown activates, OCx stays low until junction temperature falls ~20°C below trip point-enabling precise hardware-level fault latching without software polling.
Can the TPS2052ADR operate from a 3.3 V supply?
Yes, the TPS2052ADR operates fully across 2.7 V to 5.5 V, including nominal 3.3 V rails. At 3.3 V input, its rDS(on) increases to 125 mΩ max (TJ = 25°C), resulting in ≤62.5 mW conduction loss at 500 mA. The internal charge pump maintains gate drive integrity, ensuring consistent 2.5-ms rise time and reliable current limiting without external components.
What is the purpose of the undervoltage lockout (UVLO) in the TPS2052ADR?
The UVLO circuit disables both channels when input voltage drops below ~2 V, preventing unstable operation, erratic enable behavior, or partial MOSFET turn-on that could cause excessive heating. This protects downstream loads and the TPS2052ADR itself during brownout, battery depletion, or faulty upstream regulation-ensuring clean power-up and power-down sequencing in mission-critical systems.
TPS2052ADR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Type:
- General Purpose
- Number of Outputs:
- 2
- Ratio - Input:Output:
- 1:1
- Output Configuration:
- High Side
- Output Type:
- N-Channel
- Interface:
- On/Off
- Voltage - Load:
- 2.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd):
- Not Required
- Current - Output (Max):
- 500mA
- Rds On (Typ):
- 80mOhm
- Input Type:
- Non-Inverting
- Features:
- -
- Fault Protection:
- Current Limiting (Fixed), Over Temperature, UVLO
- Operating Temperature:
- 0°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TPS2052ADR FAQ
1.How can I place an order for TPS2052ADR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS2052ADR 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 TPS2052ADR reliable?
The price and inventory of TPS2052ADR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS2052ADR is usually 5 days.
3.What payment methods are accepted for TPS2052ADR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS2052ADR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS2052ADR?
TPS2052ADR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS2052ADR 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 TPS2052ADR?
For technical support, including TPS2052ADR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS2052ADR requirements.
6.How does Aetrix verify that TPS2052ADR is sourced from the original manufacturer or authorized distributors?
All TPS2052ADR 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 TPS2052ADR meets industry standards.
7.What is the process for return or replacement of TPS2052ADR?
All TPS2052ADR units undergo pre-shipment inspection (PSI). If there is an issue with TPS2052ADR, 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 TPS2052ADR part is unused and in its original packaging.
Return procedure for TPS2052ADR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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