BQ500414Q - Automotive Qi Wireless Power Controller | Texas Instruments
料号： BQ500414Q ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
BQ500414Q 概述
What is a wireless power controller? A wireless power transmitter controller is a specialized power management IC that manages the power transfer between a transmitter and a receiver using inductive coupling. It coordinates the coil switching, modulates the power signal, and communicates with the receiver through the Qi protocol to ensure safe and efficient charging. The BQ500414Q simplifies designs by integrating the control logic, I2C interface, and LED drive outputs, reducing the external component count and system complexity.
Key features of the BQ500414Q include direct driving of three LED outputs through pins 7, 8, and 9 using a simple current-limit resistor (typically 470 ohms), which provides visual status indication without additional driver ICs. The I2C interface enables communication with host controllers, allowing system-level monitoring and configuration. The free-positioning capability of the controller supports multi-coil arrangements, enabling convenient placement of receivers on the charging surface.
The BQ500414Q is designed for automotive applications where robustness and reliability are critical. Its AEC-Q100 qualification ensures it meets stringent automotive quality standards. The device is WPC v1.1 ready, conforming to the Qi wireless charging standard for interoperability with compliant receivers. The transmitter type A6 specification defines the coil geometry and power transfer characteristics, and the controller is optimized for 12-V systems, which are common in automotive power architectures.
Typical applications include in-cabin wireless phone chargers, aftermarket charging pads, and industrial or medical devices requiring wireless power. The device's EEPROM-programmable parameters allow customization for specific system requirements, and the integrated LED drivers simplify user feedback. When designing with this controller, pay careful attention to the thermal management of the power stage and the layout of the coil driver circuitry, as these directly influence charging efficiency and EMI performance.
直接替换替代料： BQ500414Q ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
BQ500414QRGZTQ1
✅ 直接替换📋 参考替代料（不在目录中）
BQ500414QRGZRQ1
✅ 直接替换📋 参考替代料（不在目录中）
BQ500414Q 规格参数
| Type | Wireless Power Transmitter PMIC |
| 封装 | 48-VQFN (7x7 mm) |
| 引脚数量 | 48 |
| 工作温度范围 | -40°C to 85°C |
| Qualification | AEC-Q100 |
| Wireless Standard | Qi (WPC v1.1) |
| Transmitter Type | A6 |
| 电源电压 | 12 V (typical), other voltages supported |
| LED Outputs | 3 (pins 7, 8, 9) |
| LED Current Limit Resistor | 470 Ω (typical) |
| 接口 | I2C |
| Free Positioning | Yes |
| 安装类型 | Surface Mount |
| RoHS 状态 | unknown |
BQ500414Q 48-vqfn (7x7 mm) 引脚配置指南
BQ500414Q（48-vqfn (7x7 mm) 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： BQ500414Q.
请参阅 数据手册 以查看完整引脚配置。
典型应用
BQ500414Q 适用于 6 应用s: Automotive In-Cabin Wireless Charger, Aftermarket Wireless Charging Pad, Industrial Wireless Power Receiver Module, Smart Home Charging Station, Medical Device Wireless Power Transmitter, Portable Wireless Charging Accessory.
Automotive In-Cabin Wireless Charger
The BQ500414Q is optimized for 12-V automotive power systems and AEC-Q100 qualified, making it ideal for in-cabin wireless phone chargers. Its free-positioning capability allows the driver to place a Qi-enabled phone anywhere on the charging pad, and the three LED outputs provide charge status feedback. The I2C interface enables the host ECU to monitor and control the charging session, ensuring safe operation under varying vehicle conditions.
推荐
Aftermarket Wireless Charging Pad
For aftermarket wireless charging pads, the BQ500414Q provides a compact controller solution with minimal external components. The integrated I2C interface allows customization of charging parameters, and the device's Qi compliance ensures compatibility with a wide range of smartphones. The 48-VQFN package saves board space, and the -40°C to 85°C operating range suits both consumer and commercial installations, although automotive-grade qualifies it for harsher environments.
推荐
Industrial Wireless Power Receiver Module
The BQ500414Q can be used in industrial wireless power transmitter stations that charge sensors or tools. Its WPC v1.1 compliance ensures interoperability with receivers from various vendors, and the A6 transmitter type provides efficient power transfer. The device's I2C port enables remote monitoring of faults and charging status, while the three LED outputs can indicate operational modes. The wide temperature range supports factory environments without additional cooling.
推荐
Smart Home Charging Station
In smart home charging pads, the BQ500414Q offers a balance of simplicity and performance. The free-positioning design allows multiple devices to be charged, and the LED outputs provide intuitive status indication. The I2C interface enables integration with smart home hubs, allowing remote control and validation of charging sessions. The small VQFN package allows for a sleek, low-profile pad design, and the device's low operating temperature range covers typical indoor environments.
推荐
Medical Device Wireless Power Transmitter
For medical devices requiring wireless power, the BQ500414Q provides a robust and safe solution. Its Qi compliance ensures interop with receiver modules used in patient monitors or wearable sensors. The automotive-grade reliability and wide temperature range contribute to long service life, while the I2C interface allows system-level diagnostics. The three LED outputs can communicate charging status to caregivers, and the device's compact package helps in miniaturized medical equipment.
推荐
Portable Wireless Charging Accessory
The BQ500414Q enables portable charging accessories, such as battery-powered charging pillows or travel pads. The device's low quiescent current and efficient operation help extend battery life, while the free-positioning feature allows flexible device placement. The LED outputs provide charge indication for users. Although the controller is designed for 12V, it can operate from lower supply voltages with adjusted settings, making it suitable for USB-powered designs.
推荐
推荐产品汇总
工程参考数据： BQ500414Q ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | BQ500414QRGZTQ1 | BQ500414QRGZRQ1 |
|---|---|---|---|
| Package | 48-VQFN (7x7) | 48-VQFN (7x7) - same | 48-VQFN (7x7) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| AEC-Q100 Qualified | Yes | Yes | Yes |
| Operating Temperature | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C |
| LED Outputs | 3 | 3 | 3 |
| I2C Interface | Yes | Yes | Yes |
| Supply Voltage | 12 V (typical) | 12 V (typical) | 12 V (typical) |
| Pin Count | 48 | 48 | 48 |
关键差异点
- Automotive grade AEC-Q100 qualification （对比 Non-automotive wireless controllers)
- Free-positioning capability （对比 Fixed-position controllers)
- Integrated I2C and LED drivers （对比 Controllers requiring external communication ICs)
设计说明
The BQ500414Q is optimized for 12-V supply systems. Ensure the input voltage remains within the recommended operating range to prevent malfunction. Use a robust power supply with adequate current capability for the transmitter coil driver. Consider adding a TVS diode on the supply line to protect against automotive load dumps and transients.
Even though the controller itself consumes low power, the power stage driving the coil can dissipate significant heat. Design the PCB with adequate copper pour and thermal vias under the power components. Ensure the VQFN-48 package's exposed pad is soldered to a large ground plane for effective heat spreading, especially in high-ambient automotive environments.
For EMI compliance, keep the coil driver traces short and route them with a ground plane underneath. Place decoupling capacitors close to the controller's power pins. The LED outputs on pins 7, 8, 9 can be driven with a 470-ohm series resistor; route these traces away from analog sensing areas to avoid noise coupling.
合规信息
AEC-Q100 qualification is confirmed from TI product page. RoHS/REACH status not available in the provided data.
