ADuC7034: Integrated Precision Battery Sensor for Automotive
The ADuC7034 is a complete, system solution for battery monitoring in 12 V automotive applications. The device integrates all of the required features to precisely and intelligently monitor, process, and diagnose 12 V battery parameters including battery current, voltage and temperature over a wide range of operating conditions.
ADuC7034 特点
- Dual channel, simultaneous sampling, 16-bit, Σ-Δ ADCs
- Programmable ADC throughput from 1 Hz to 8 kHz
- On-chip 5 ppm/°C voltage reference
- Current channel Fully differential, buffered input Programmable gain from 1 to 512 ADC input range: −200 mV to +300 mV Digital comparators, with current accumulator feature
- Voltage channel Buffered, on-chip attenuator for 12 V battery inputs
- Temperature channel External and on-chip temperature sensor options
- ARM7TDMI® core, 16-/32-bit RISC architecture
- 20.48 MHz PLL with programmable divider
- PLL input source On-chip precision oscillator On-chip low power oscillator External (32.768 kHz) watch crystal
- JTAG port supports code download and debug
- 32-kB Flash/EE memory, 4-kB SRAM
- 10,000-cycle Flash/EE endurance, 20-year Flash/EE retention
- In-circuit download via JTAG and LIN
- LIN 2.0-compatible (slave) support via UART with hardware synchronization
- Flexible wake-up I/O pin, master/slave SPI® serial I/O
- 9-pin GPIO port, 3× general-purpose timers
- Wake-up and watchdog timers
- Power supply monitor, on-chip power-on-reset
- Operates directly from 12 V battery supply
- Current consumption Normal mode 10 mA at 10 MHz Low power monitor mode
- 48-lead, 7 mm x 7 mm LFCSP
- Fully specified for −40°C to +115°C operation
ADuC7034 技术指标
- Flash (kbytes): 0
- SRAM (bytes): 4096Bytes
- GPIO Pins: 9
- ADC # Channels: 2
- MCU Core: ARM7 TDMI
- MCU Speed (MIPS): 20
ADuC7034 应用领域
- Battery sensing/management for automotive systems
ADuC7034 功能框图
ADuC7034 芯片订购指南
| 产品型号 | 封装 | 引脚 | 温度范围 | 包装和数量 | 报价*(100-499) | 报价*1000 pcs | RoHS |
|---|---|---|---|---|---|---|---|
| ADuC7034BCPZ 产品状态: 量产 | 48 | 工业 | Tray, 260 | $ 7.24 | $ 6.37 | 是 | |
| ADuC7034BCPZ-RL 产品状态: 量产 | 48 | 工业 | Reel, 2500 | - | $ 6.37 | 是 |
