Specifications
| Type | Description |
|---|---|
| Part Number | BQ51013 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Component Type | Power_IC |
| Package / Case | VQFN-20, 4.50 mm x 3.50 mm; DSBGA-28, 3.00 mm x 1.90 mm |
| Wireless Power Standard Compliance | Qi / WPC v1.2 compliant |
| Maximum Output Power | 5 W |
| Output Voltage | 5 V |
| I2C Interface | No |
| Function | Wireless Receiver |
| Overall Peak AC-DC Efficiency | 93% |
| Maximum Input Voltage Support | 20 V maximum |
| Rectifier Overvoltage Clamp Threshold | 15 V |
| Receiver Power Conversion | AC-to-DC power conversion and regulation |
| Synchronous Rectifier | Integrated low-resistance synchronous rectifier |
| Regulator | Integrated low-dropout regulator |
| Foreign Object Detection | FOD enabled |
| Thermal Protection | Thermal shutdown |
| Temperature Monitoring Pin | Multifunction NTC and control pin |
| AC Input Pins | AC1 and AC2 |
| Adapter Detection Pin | AD |
| AD Pin Capacitor | 1 uF |
| Wired Adapter Behavior | Wireless charging disabled and AD_EN driven low |
| AD-EN Output Function | Push-pull driver for external PFET |
| Bootstrap Capacitor | 10 nF ceramic |
| CHG Output Type | Open-drain output |
| Clamp Output Type | Open-drain FETs |
| Clamp Activation Voltage | RECT voltage above 15 V |
| Clamp Capacitor Recommendation | 0.47 uF |
| Communication Outputs | COMM1 and COMM2 open-drain outputs |
| Datasheet Status | request_only |
Product Overview
The BQ51013 is a Texas Instruments Power_Management Power IC used as a Qi wireless power receiver. Its wireless receiver operation is Qi / WPC v1.2 compliant, and the device comparison table identifies the function as Wireless Receiver with no I2C interface. The receiver performs secondary-side AC-to-DC power conversion and regulation from AC1 and AC2 coil inputs.
The integrated power path includes a low-resistance synchronous rectifier and an integrated low-dropout regulator. The comparison data lists 5 W maximum output power and 5 V output voltage, while the input support feature specifies 20 V maximum input voltage. Protection functions include thermal shutdown, FOD enabled operation, and a rectifier overvoltage clamp threshold of 15 V.
Assembly options include VQFN-20, 4.50 mm x 3.50 mm, and DSBGA-28, 3.00 mm x 1.90 mm. External connections include 10 nF ceramic bootstrap capacitors from BOOT1 to AC1 and BOOT2 to AC2, 0.47 uF clamp capacitors from CLAMP1 to AC1 and CLAMP2 to AC2, and an optional 1 uF AD-to-PGND capacitor for wired adapter detection.
Key Features
- Qi / WPC v1.2 compliant wireless receiver operation
- 5 W maximum output power in comparison table
- 5 V output voltage in comparison table
- 93% overall peak AC-DC efficiency
- 20 V maximum input voltage support
- 15 V rectifier overvoltage clamp threshold
- Integrated low-resistance synchronous rectifier
- Integrated low-dropout regulator
- FOD enabled for WPC v1.2 operation
- Thermal shutdown protection
- Multifunction NTC and control pin
- COMM1 and COMM2 open-drain communication outputs
Typical Applications
- Qi wireless receiver designs
- WPC v1.2 receiver systems
- 5 W wireless power receivers
- Secondary-side AC-to-DC conversion
- FOD-enabled wireless power products
- Wired adapter detection circuits
- External PFET wired charging control
- Receiver coil AC input interfaces
Procurement Notes
When requesting a quote for BQ51013, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What type of device is the BQ51013?
The BQ51013 is a Texas Instruments Qi wireless power receiver in the Power_Management category. The extracted datasheet facts identify it as a Wireless Receiver and a Power_IC for secondary-side AC-to-DC conversion and regulation.
What wireless power standard does BQ51013 support?
The BQ51013 supports Qi / WPC v1.2 compliant wireless receiver operation. The extracted facts also state that FOD is enabled during WPC v1.2 compliant operation.
What output ratings are listed for BQ51013?
The device comparison table facts list 5 W maximum output power and 5 V output voltage. The same comparison data states that the device has no I2C interface and functions as a Wireless Receiver.
Which protection functions are identified for BQ51013?
The extracted facts identify thermal shutdown, FOD enabled operation, a 15 V rectifier overvoltage clamp threshold, and clamp activation when RECT voltage rises above 15 V.
What package options are listed for BQ51013?
The listed package cases are VQFN-20 at 4.50 mm x 3.50 mm and DSBGA-28 at 3.00 mm x 1.90 mm, matching the extracted package information.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.