Below is the standard circuit taken from the BQ24040 datasheet, which matches boards marked "HXJE":
The chip is frequently listed as equivalent or identical to the IC Components Key Features for Design The marking codes database cross reference search.
Enable Pin. Pulling this pin HIGH activates the IC, while pulling it LOW places it in a low-power shutdown state.
Supplies the stable, boosted voltage required by Bluetooth, Wi-Fi, and IoT communication modules. hxje ic datasheet top
ceramic capacitor connected from Pin 1 to Ground to minimize output voltage ripple. Common Failure Modes in Repairs
Determine the ideal to minimize thermal dissipation and EMI. Let me know how you would like to proceed with your design .
Offers HX-JE product details and inventory status. Below is the standard circuit taken from the
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While pinouts can vary slightly by manufacturer, the standard HX4004A configuration is: : Regulated output voltage. : Shutdown control (Active low). : Flying capacitor negative terminal. : Input supply voltage. : Flying capacitor positive terminal. Common Use Cases USB On-The-Go (OTG) : Providing 5V power from a single-cell Li-ion battery. White LED Drivers : Driving LEDs in small handheld devices. Battery Backup : Maintaining power for low-power microcontrollers. Alternative Identifiers
Inductorless Regulated Charge Pump / Voltage Doubler Supplies the stable, boosted voltage required by Bluetooth,
The stands out in the semiconductor market as a cost-effective, high-efficiency solution for off-line LED driving. By integrating the MOSFET and removing the need for magnetic components, it simplifies the design process for lighting manufacturers, offering a robust balance of performance, size, and cost.
Understanding the layout of the is critical for proper PCB routing and bypassing. A standard charge pump IC with the HX-JE footprint utilizes the following structural pinout assignment: Pin Number Description 1 VOUT
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Review the or determine appropriate passive component values for your circuit.
(often marked as ) is a high-efficiency, DC-DC charge pump boost converter
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