This document describes an integrated, precision battery sensor for automotive applications. It features high precision ADCs, dual channel simultaneous sampling, programmable ADC throughput, current channel, voltage channel, temperature channel, etc.
The ADuC7033 is an integrated precision battery sensor microcontroller featuring dual‑channel 16‑bit ADCs, an ARM7TDMI core, on‑chip flash/EE memory, LIN and SPI interfaces, and a wide operating temperature range. It is designed for automotive battery management and includes programmable gain, voltage reference, and temperature sensing capabilities.
This handbook contains detailed specifications, electrical and timing parameters, pin descriptions, functional block diagrams, memory organization, and application notes. It also provides ordering information, package dimensions, and a schematic example for implementing the device in a system.
| ADC conversion rate (normal mode, chop off) | 4 kHz to 8 kHz |
|---|---|
| Input voltage range (Current channel) | -200 mV to +300 mV |
| Power supply voltage range | 3.5 V to 18 V |
| Flash/EE memory size | 96 kB Flash/EE, 6 kB SRAM |
| Operating temperature range | -40 °C to +115 °C |
The device operates from –40 °C to +115 °C.
The flash/EE memory is rated for 10,000 write‑erase cycles.
The ADuC7033 can be powered directly from a 3.5 V to 18 V battery supply.