What are the key applications for the BL9342?

It is ideal for high-voltage power conversion, instrumentation, industrial power systems, and battery-powered devices.

What are the main electrical specifications?

It supports a 4.2V to 40V input range, 1.8MHz fixed switching frequency, 500mΩ internal MOSFET, and up to 90% efficiency.

What should engineers consider during design?

Designers should focus on minimizing the switching loop area, placing the input bypass capacitor close to the VIN pin, and keeping feedback traces away from noisy switching nodes.

What should sourcing teams check before buying BL9342?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: high_availability.

What is the pinout of BL9342?

Use the BL9342 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about BL9342 pinout to locate pins, power rails, and interface signals before layout.

BL9342 Datasheet, Specs, Alternatives & ECAD | BL

AI summary

The BL9342 is a 40V, 600mA step-down DC-DC converter with a 1.8MHz switching frequency, designed for high-efficiency power conversion in compact industrial and battery-powered applications.

Best for

Industrial power supplies
Battery-powered equipment
Compact DC-DC conversion

Avoid if

Applications requiring >600mA output current
Designs where extremely low EMI is critical without shielding

Check before use

Thermal dissipation requirements for the SOT23-6L package
Input voltage transients

Key specifications

Input Voltage: 4.2V - 40V
Output Current: 600mA
Switching Frequency: 1.8MHz
Package: SOT23-6L

Compliance & Environment

RoHS: -
REACH: -
MSL: 3
ECCN: -
HTSUS: -

Application

IndustrialPowerConsumer

Datasheet

e6b4128552fa698ab113c0b67f2e3b06_2209141001_BL-Shanghai-Belling-BL9342_C93176.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for BL9342: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

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PCB Footprint

Land pattern for PCB layout

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3D Model

STEP file for mechanical design

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KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The BL9342 is a high-frequency, non-synchronous step-down switching regulator with an integrated high-side power MOSFET, capable of delivering up to 600mA.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the BL9342?+×

What are the key applications for the BL9342?+×

What are the main electrical specifications?+×

What should engineers consider during design?+×

What should sourcing teams check before buying BL9342?+×

What is the pinout of BL9342?+×