BL0937

Part: BL0937 from Shanghai Belling Co., Ltd.

Type: Single-phase Electric Energy Metering Chip

Description: The BL0937 is a wide-range single-phase multi-function electric energy metering chip with a built-in oscillator, 3.3V single working power, and a current measurement range of 4mA to 30A.

Operating Conditions:

• Supply voltage: 3.3V
• Operating temperature: null
• Clock frequency: about 2MHz

Absolute Maximum Ratings:

• Max supply voltage: null
• Max continuous current: null
• Max junction/storage temperature: null

Key Specs:

• Current measurement range: 4mA~30A @1mΩ
• Reference voltage: 1.2V
• Clock frequency: about 2MHz
• Supply voltage: 3.3V
• Low power: 6mW (typical value)
• ADC: 2 way high precision

Features:

• 2 way high precision ADC, current measurement range (4mA~30A) @1mΩ
• High frequency CF1 is used to indicate current / voltage RMS
• High frequency CF is used to indicate power and energy measurement
• Chip built-in 1.2V reference voltage source
• The chip has a built-in oscillating circuit, and the clock is about 2MHz
• Chip single working power 3.3V, low power 6mW (typical value)

Applications:

• Single-phase socket table
• Single phase arrangement
• Intelligent electrical appliance control circuit

Package:

• SOP8 encapsulation