Key facts
- Manuals
- 4
- Models
- 1
- Languages
- ZH
- Last added
- 2026-10-01
HiTrendtech models by category
Featured HiTrendtech manuals
Hitrend Tech ATT7026E Three-Phase Multifunction Metering Chip User Manual
The ATT7026E is a high‑precision three‑phase metering chip designed for three‑wire and four‑wire applications. It integrates six second‑order sigma‑delta ADCs, reference circuitry and digital signal processing to measure active, reactive, apparent power, energy, voltage/current RMS, power factor, phase angle and frequency.
The manual covers chip features, pin‑out diagrams, module descriptions, SPI communication details, register maps, calibration procedures and full electrical characteristics, providing everything needed for hardware designers and firmware developers to integrate the device. This manual is written in Chinese.
Covers: Chip Features · Pin Definition · Module Descriptions · SPI Communication Interface · Register Functions · Electrical Characteristics
Hitrend Tech ATT7021C User Manual
The ATT7021C is an improved version of the ATT7021 energy‑metering IC, offering lower power consumption, better VREF consistency, and full pin compatibility with the ATT7021 and ADE7755. It is intended for use in electric energy measurement devices.
The manual covers the chip’s key features, pin‑out diagram, electrical parameters, measurement accuracy, anti‑aliasing filter design, PCB layout recommendations, and application notes such as pulse‑output calculations and calibration procedures. This manual is written in Chinese.
Covers: Features · Pin Description · Technical Parameters · Specifications · Application Information · PCB Design Guidelines
Hitrend Tech ATT7051A/53A User Manual
The ATT7051A/53A is a single‑phase measurement chip with SPI interface, designed for power metering and monitoring. It operates from 3.0 V to 3.6 V and includes three 19‑bit sigma‑delta ADCs, a 5.5296 MHz crystal, and supports a 2000:1 dynamic range.
The manual provides a block diagram, pin definitions for both 24‑pin and 28‑pin packages, application modes, detailed module descriptions, register maps, and wiring diagrams. It also covers power‑down features, interrupt handling, and calibration procedures. This manual is written in Chinese.
Covers: Overview · Block Diagram · Pin Definition · Application Modes · Module Descriptions · Register Functions
HiTrendtech ATT7059A User Manual
This manual provides a complete description of the ATT7059A metering chip, an SPI‑compatible single‑phase device that measures active, reactive, apparent power and energy pulses. It covers the chip’s overall architecture, pin definitions, electrical specifications, and detailed register functions.
The document also includes application modes, EMC considerations, example schematics, and packaging information, helping designers integrate the chip into power metering solutions. This manual is written in Chinese.
Covers: Overview · Block Diagram · Pin Definition · Application Modes · Module Descriptions · Register Functions
Latest HiTrendtech manuals
Hitrend Tech ATT7026E Three-Phase Multifunction Metering Chip User Manual
User Manual 55 pages · 692 KB · ZHThe ATT7026E user manual from Hitrend Tech details features, pin definitions, registers, SPI interface and electrical specifications of the three‑phase…
Hitrend Tech ATT7021C User Manual
User Manual 15 pages · 534 KB · ZHThe Hitrend Tech ATT7021C User Manual provides features, pin descriptions, electrical specifications, and application guidelines for the energy‑metering chip.
Hitrend Tech ATT7051A/53A User Manual
User Manual 63 pages · 808 KB · ZHUser manual for the ATT7051A/53A measurement chip with SPI interface and multi‑function features.
HiTrendtech ATT7059A User Manual
User Manual 49 pages · 536 KB · ZHThe HiTrendtech ATT7059A user manual describes the SPI‑enabled single‑phase multifunction metering chip, its pinout, registers, electrical characteristics…
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in HiTrendtech manuals
How many ADC channels are integrated in the ATT7026E?
It integrates six second‑order sigma‑delta ADC channels.
From: Hitrend Tech ATT7026E Three-Phase Multifunction Metering Chip User Manual
What temperature range can the ATT7021C operate in?
It operates from –40 °C up to +85 °C.
What package options are available for the ATT7021C?
The chip is offered in a 24‑pin DIP package and an SSOP package.
What is the operating voltage range of the ATT7051A/53A?
The chip works from 3.0 V to 3.6 V.
What crystal frequency does the chip use?
It uses a 5.5296 MHz crystal.
What is the supply voltage range for the ATT7059A?
The chip operates from 3.0 V to 3.6 V.