The ZSSC1750 is a System Basis Chip (SBC) with a dual-channel ADC for battery sensing/management in automotive, industrial, and medical systems. The ZSSC1750 features an SPI interface. One of the two input channels measures the battery current IBAT via the voltage drop at the external shunt resistor. The second channel measures the battery voltage VBAT and the temperature. By simultaneously measuring VBAT and IBAT, it is possible to determine dynamically the internal resistance of the battery, Rdi, which is correlated with the state-of-health (SOH) of the battery. By integrating IBAT, it is possible to determine the state-of-charge (SOC) and the state-of-function (SOF) of the battery. During Sleep Mode, the system makes periodic measurements to monitor the discharge of the battery. Measurement cycles are controlled by user software and include various wake-up conditions. The ZSSC1750 is optimized for ultra-low power consumption drawing only 60μA or less in this mode.

特性

  • Two high-precision 24-bit sigma-delta ADCs (18-bit with no missing codes)
  • Sample rate: 1Hz to 16kHz
  • On-chip voltage reference (5ppm/K typical)
  • Current channel IBAT offset error: ≤ 10mA
  • Current channel IBAT resolution: ≤ 1mA
  • Current channel programmable gain: 4 to 512
  • Current channel maximum differential input stage input range: ±300mV
  • Voltage channel input range: 4 to 28.8V
  • Voltage channel accuracy: ±60ppm full-scale range = 1.73mV
  • Temperature channel external temperature sensor (NTC)
  • Temperature channel factory-calibrated internal temp. sensor: ±2°C
  • LIN 2.1/SAE J2602-1 transceiver
  • Normal Mode typical current consumption: 12mA
  • Sleep Mode typical current consumption: ≤ 60μA

产品选择

下单器件 ID Part Status Pkg. Type Lead Count (#) Temp. Range Carrier Type Buy Sample
Not Recommended for New Designs VFQFPN 36 -40 to 125°C Reel
Availability

文档和下载

文档标题 其他语言 类型 文档格式 文件大小 日期
数据手册与勘误表
ZSSC175X Datasheet 数据手册 PDF 1.55 MB
ZSSC175X Short-form Datasheet 简易格式数据手册 PDF 313 KB
使用指南与说明
IDT CAD Altium Libraries for AID Products Rev 20160819 指南 ZIP 1.20 MB
Downloads
ZSSC175x Evaluation Software Release 4.0.14 (zip) 软件 ZIP 7.68 MB