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BL0910

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BL Shanghai Belling Energy Metering, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BL0910

BL Shanghai Belling · Energy Metering · LQFP-48(7x7)

BL0910 from BL Shanghai Belling, in a LQFP-48(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 VT input Analog input for external temperature sensor with maximum voltage of 0.55×VDD.
2 VREF power_in Reference voltage input/output, 1.097V typical with 0.1µF external bypass capacitor required.
3 IN6 input Channel 6 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
4 IP6 input Channel 6 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
5 IN7 input Channel 7 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
6 IP7 input Channel 7 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
7 IN8 input Channel 8 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
8 IP8 input Channel 8 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
9 IN9 input Channel 9 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
10 IP9 input Channel 9 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
11 IN10 input Channel 10 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
12 IP10 input Channel 10 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
13 VN input Channel 11 voltage measurement negative input, differential analog input ±700mV maximum.
14 VP input Channel 11 voltage measurement positive input, differential analog input ±700mV maximum.
15 NRST input Active-low reset input with logic low threshold 0.8V maximum and logic high threshold 2.6V minimum at DVDD=3.3V±2.5%.
16 AGND power_in Analog ground connection.
17 DGND power_in Digital ground connection.
18 CS input SPI chip select (active low) or UART baud rate selection pin with logic low 0.8V maximum and high 2.6V minimum at DVDD=3.3V±2.5%.
19 TX/SDO output SPI serial data output or UART transmit output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
20 RX/SDI input SPI serial data input or UART receive input with logic low 0.8V maximum and high 2.6V minimum at DVDD=3.3V±2.5%.
21 SCLK input SPI serial clock input or UART baud rate selection pin with logic low 0.8V maximum and high 2.6V minimum at DVDD=3.3V±2.5%.
22 _IRQ1 output Configurable interrupt output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
23 _IRQ2 output Voltage zero-crossing interrupt output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
24 VPP unconnected Reserved pin, can be left floating.
25 M1 output Channel 1 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
26 M2 output Channel 2 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
27 M3 output Channel 3 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
28 M4 output Channel 4 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
29 M5 output Channel 5 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
30 M6 output Channel 6 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
31 M7 output Channel 7 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
32 M8 output Channel 8 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
33 M9 output Channel 9 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
34 M10 output Channel 10 overcurrent/overload indicator output with logic high 2.6V minimum and low 1V maximum at DVDD=3.3V±2.5%.
35 DVDD18 power_out 1.8V digital power output from internal LDO regulator with 0.1µF external bypass capacitor required.
36 SEL input Communication interface selection: internal pull-down selects UART when floating/low, logic high selects SPI mode.
37 DVDD power_in 3.3V digital power supply input.
38 AVDD power_in 3.3V analog power supply input.
39 IN1 input Channel 1 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
40 IP1 input Channel 1 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
41 IN2 input Channel 2 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
42 IP2 input Channel 2 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
43 IN3 input Channel 3 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
44 IP3 input Channel 3 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
45 IN4 input Channel 4 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
46 IP4 input Channel 4 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
47 IN5 input Channel 5 current measurement negative input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.
48 IP5 input Channel 5 current measurement positive input, differential analog input ±700mV maximum with gain selectable to x1, x2, x4, or x16.

Key specifications

Parameter Value
Manufacturer BL Shanghai Belling
Package LQFP-48(7x7)
Category Data Acquisition
Pins 48

CAD (KiCad official)

  • Symbol: BL0910
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: bl0910-etched.step / bl0910-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bl0910.step / bl0910.glb are the bare package body.

Provenance

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

  • Datasheet: BL Shanghai Belling datasheet (74 pp, sha256 eab358e146f9a8e3, retrieved 2026-09-22, 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