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BL0906

Public Made by Adom

by adom

BL Shanghai Belling Energy Metering, LQFP-32(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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BL0906

BL Shanghai Belling · Energy Metering · LQFP-32(7x7)

BL0906 from BL Shanghai Belling, in a LQFP-32(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IP4 input Channel #4 current positive input with programmable gain (x1, x2, x4, x16), maximum differential voltage ±700mV.
2 VREF power_in Reference voltage input/output terminal for 1.2V internal reference.
3 IN5 input Channel #5 current negative input with programmable gain, maximum differential voltage ±700mV.
4 IP5 input Channel #5 current positive input with programmable gain, maximum differential voltage ±700mV.
5 IN6 input Channel #6 current negative input with programmable gain, maximum differential voltage ±700mV.
6 IP6 input Channel #6 current positive input with programmable gain, maximum differential voltage ±700mV.
7 VN input Channel #7 voltage negative input with programmable gain, maximum differential voltage ±700mV.
8 VP input Channel #7 voltage positive input with programmable gain, maximum differential voltage ±700mV.
9 NRST input Reset pin, active low.
10 GND power_in Ground.
11 CS input SPI chip select signal pin, active low.
12 TX/SDO output SPI/UART transmit data output, 2.6V high at VDD=3.3V±2.5%.
13 RX/SDI input SPI/UART receive data input, minimum 2.6V high at VDD=3.3V±2.5%.
14 SCLK input SPI communication clock input pin.
15 _IRQ output Interrupt output pin, active low.
16 VPP input OTP programming voltage pin (±7V range), can float during normal operation.
17 M1 output Channel 1 overcurrent detection output indicator.
18 M2 output Channel 2 overcurrent detection output indicator.
19 M3 output Channel 3 overcurrent detection output indicator.
20 M4 output Channel 4 overcurrent detection output indicator.
21 M5 output Channel 5 overcurrent detection output indicator.
22 M6 output Channel 6 overcurrent detection output indicator.
23 DVDD18 power_out Digital 1.8V output from internal LDO regulator, supplies digital circuitry.
24 SEL input UART/SPI mode selection pin, default internal pull-down selects UART, SEL=1 selects SPI.
25 VDD power_in Power supply input, 3.0V to 3.6V operating range.
26 IN1 input Channel #1 current negative input with programmable gain, maximum differential voltage ±700mV.
27 IP1 input Channel #1 current positive input with programmable gain, maximum differential voltage ±700mV.
28 IN2 input Channel #2 current negative input with programmable gain, maximum differential voltage ±700mV.
29 IP2 input Channel #2 current positive input with programmable gain, maximum differential voltage ±700mV.
30 IN3 input Channel #3 current negative input with programmable gain, maximum differential voltage ±700mV.
31 IP3 input Channel #3 current positive input with programmable gain, maximum differential voltage ±700mV.
32 IN4 input Channel #4 current negative input with programmable gain, maximum differential voltage ±700mV.

Key specifications

Parameter Value
Manufacturer BL Shanghai Belling
Package LQFP-32(7x7)
Category Data Acquisition
Pins 32

CAD (KiCad official)

  • Symbol: BL0906
  • Footprint: Package_QFP:LQFP-32_7x7mm_P0.8mm
  • 3D model: LQFP-32(7x7) (KiCad packages3D, STEP)
  • 3D model files: bl0906-etched.step / bl0906-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bl0906.step / bl0906.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: BL Shanghai Belling datasheet (61 pp, sha256 54f02036438ea64e, retrieved 2026-09-21, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF