V9240 VANGO
| Part Number | V9240 |
|---|---|
| Manufacturer | Vango Technologies (VANGO) |
| Category | Integrated Circuits (ICs) > Energy Metering ICs / AFE Analog Front End |
| Description | High‑Precision Single‑Phase Energy Metering Analog Front End (AFE) IC, Internal RC Oscillator, Half‑Duplex Adaptive UART Interface, SOP‑8 Package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The V9240 is Vango’s single‑phase energy‑metering AFE IC for smart meters and power‑monitoring devices. It features a 23‑bit Sigma‑Delta ADC, 1.21V low‑drift reference and built‑in 6.5536MHz RC oscillator, no external crystal needed. It supports auto‑baud‑rate half‑duplex UART, delivers high‑precision active/reactive energy measurement, and comes in compact SOP‑8 package.
Core Advantages
High Measurement Accuracy
<0.1% energy error over 5000:1 dynamic range, meets IEC 62053‑21/22/23 standards.
No External Crystal
Internal 6.5536MHz RC oscillator, reduces BOM cost and PCB complexity.
Adaptive UART Interface
Half‑duplex UART with auto baud‑rate 1200‑19200bps, easy to connect with host MCU.
Low Power Consumption
Typical 1.3mA operating current at 3.3V, fits battery‑backed meter scenarios.
Rich Calibration Functions
Supports phase/gain correction, secondary compensation and low‑current acceleration calibration.
Key Specifications
| Brand | Vango Technologies (VANGO) |
|---|---|
| RoHS Status | RoHS Compliant / Green (Lead‑Free) |
| EDA/CAD | Symbol, Footprint & 3D Model Available |
| Warranty | 1‑Year Standard Quality Warranty |
| Package / Case | SOP‑8 Package |
| Mounting Type | Surface Mount Device (SMD/SMT) |
| Surface Marking / Silkscreen | V9240 Marking |
| Metering Type | Single‑Phase Energy Metering AFE |
| Active & Reactive Energy Accuracy | Dynamic Range 5000:1, Error < 0.1% |
| Internal ADCs | 23‑Bit Effective Sigma‑Delta ADC, ±200mV analog input full‑scale |
| Communication Interface | Half‑Duplex UART, Auto Baud‑Rate:1200bps‑19200bps |
| Operating Supply Voltage (VDD) | 3.3 V DC Typical (2.6 V to 3.6 V) |
| Typical Operating Current | 1.3mA (@VDD=3.3V) |
| On‑Chip Reference Voltage | 1.21 V, Temperature Coefficient ±10ppm/℃ |
| Internal Oscillator | Built‑in RC Oscillator 6.5536MHz, No external crystal needed |
| Current Sensor Compatibility | Shunt Resistor, Current Transformer (CT), Rogowski Coil |
| Operating Temperature Range | -40°C to +105°C |
| Calibration Function | Phase correction, gain correction, secondary compensation, low‑current acceleration calibration |
| Packaging Format | Tube / Tape & Reel anti‑static packaging |
Typical Applications
- Single‑phase residential and commercial smart electricity meters (IEC Class 0.5/1.0 compliant)
- Sub‑metering units for industrial facilities, data centers, and multi‑tenant buildings
- Smart energy plugs, smart power strips, and IoT home energy monitoring equipment
- Pre‑payment energy meter and energy monitoring terminal equipment
- Uninterruptible Power Supplies (UPS), solar inverters, and power distribution units (PDU)
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1‑2 business days |
| Delivery Time | 3‑7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What is the function of V9240?
A: V9240 is single‑phase energy‑metering AFE IC. It samples voltage & current signals, calculates energy parameters and outputs data to host MCU via UART.
Q2: What sensors work with V9240?
A: It supports shunt resistor, current transformer(CT) and Rogowski coil for current measurement.
Q3: What communication port does V9240 use?
A: Only half‑duplex UART, auto baud‑rate 1200‑19200bps. SPI is not supported.
Q4: Does V9240 require external crystal?
A: No. Built‑in 6.5536MHz RC oscillator simplifies peripheral circuits and cuts BOM cost.
Q5: Are there suffix or package variants for V9240?
A: Standard V9240 only comes in SOP‑8, no official suffix variants. Double‑check marking if you see SOP‑16 version.
Q6: What is its operating temperature range?
A: Industrial grade‑40℃ ~ +105℃, suitable for outdoor and harsh metering environments.
Q7: What are common reference alternative chips?
A: ATT7022E, HLW8032. Note: Not pin‑to‑pin compatible. Register setup, calibration and hardware need re‑validation.
Q8: Does V9240 support chip‑level calibration?
A: Yes. It supports phase correction, gain correction, secondary compensation and low‑current acceleration calibration.
Q9: How to get datasheet and quotation?
A: Submit inquiry form, we will send datasheet, reference design and competitive price within 24 hours.

