Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Channels | 2 independently controlled high-side switches |
| Continuous Load | 500 mA per channel stated family class |
| Input | 2.7 V to 5.5 V |
| On-Resistance | 70 mΩ stated family feature |
| Current Limit | 0.75 A minimum to 1.25 A maximum stated family range |
| Protection | Thermal/short-circuit protection and UVLO |
| Fault | Deglitched overcurrent reporting per channel architecture |
| Exact Package / Packing | SOIC (D), 8 pins; 2500-piece large reel; marking 2052B |
Product Overview
TPS2052BDR puts two protected 500-mA distribution channels in one SOIC-8, making it useful for dual USB ports or paired peripheral rails. Each channel has its own control/protection path while sharing package thermal limits.
The dual integration reduces BOM, but simultaneous current-limit faults can dissipate substantially more heat than a single-switch design. PCB copper and fault duty must therefore be evaluated for two active channels, not simply multiplied from normal load current.
The device belongs to the TPS20xxB generation and retains the broad 2.7–5.5 V operating range. It should not be assigned C-generation reverse-block/output-discharge features without evidence.
For related devices, see HKEQGOO’s Power Distribution Switches, Load Drivers category.
Technical Specifications
| Parameter | Verified Information |
|---|---|
| Manufacturer | Texas Instruments |
| Exact MPN | TPS2052BDR |
| Channels | 2 independently controlled high-side switches |
| Continuous Load | 500 mA per channel stated family class |
| Input | 2.7 V to 5.5 V |
| On-Resistance | 70 mΩ stated family feature |
| Current Limit | 0.75 A minimum to 1.25 A maximum stated family range |
| Protection | Thermal/short-circuit protection and UVLO |
| Fault | Deglitched overcurrent reporting per channel architecture |
| Exact Package / Packing | SOIC (D), 8 pins; 2500-piece large reel; marking 2052B |
| Manufacturer Status | Active / Production |
| Part Marking | 2052B |
Functional Highlights
Dual channels simplify two-port protected distribution
One package provides controlled inrush and overcurrent behavior to two loads while reducing component count.
Ganged/dual fault scenarios drive thermal design
The package can encounter simultaneous high dissipation under shorts, making thermal shutdown interaction a real system behavior to test.
Design Considerations
- Model both channels in current limit at the highest VIN when checking SOIC thermal stress.
- Set enable defaults so ports do not unintentionally power during controller reset.
- Do not inherit TPS20xxC-specific reverse-blocking claims.
Product Status and Exact Order Code
Manufacturer status: Active / Production
Texas Instruments lists TPS2052BDR as Active / Production; SOIC (D), 8 pins; 2500-piece large tape and reel; −40°C to +125°C; marking 2052B.
Related Engineering Resources
Quality & Verification Support
Third-party inspection or testing can be arranged according to customer requirements. Testing fees are borne by the buyer. Additional verification requirements can be discussed before shipment. After an order is placed, physical product, label, packaging, and Date Code photos may be provided where appropriate.
Request a Quote
To request a quotation, provide the manufacturer part number, required quantity, destination, target Date Code if applicable, and any testing or inspection requirements.
