Datasheet > ZSSC1751EA3R

ZSSC1751EA3R

更新时间： 2024-09-15 01:08:31

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
116页	1405K
描述
Data Acquisition System Basis Chip

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中文翻译

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技术参数
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ZSSC1751EA3R 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	VFQFPN
针数：	36	Reach Compliance Code：	compliant
风险等级：	5.58	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
JESD-609代码：	e3	湿度敏感等级：	1
峰值回流温度（摄氏度）：	260	端子面层：	Tin (Sn)
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

ZSSC1751EA3R 数据手册

ZSSC1750 / ZSSC1751

Data Acquisition

Datasheet

System Basis Chip

Brief Description

Benefits

The ZSSC1750 and ZSSC1751 are System Basis

Chips (SBCs) with a dual-channel ADC for battery

sensing/management in automotive, industrial, and

medical systems. The ZSSC1750 and ZSSC1751

feature an SPI interface; in addition, the ZSSC1750

has an integrated LIN 2.1 transceiver.

•

Integrated, precision measurement solution for

accurate prediction of battery state of health

(SOH), state of charge (SOC), or state of

function (SOF)

•

Robust power-on-reset (POR) concept for harsh

automotive environments

One of the two input channels measures the battery

current I_BATvia the voltage drop at the external shunt

resistor. The second channel measures the battery

voltage V_BATand the temperature.

•

On-chip precision oscillator accuracy: ±1%

On-chip low-power oscillator

Only a few external components needed

Easy communication via SPI interface

By simultaneously measuring V_BATand I_BAT, 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 I_BAT, it is possible to determine the state-

of-charge (SOC) and the state-of-function (SOF) of

the battery.

Power supply, interrupt, and reset signals for

external microcontroller

•

Watchdog timer with dedicated oscillator

Industry’s smallest footprint allows minimal

module size and cost

•

AEC-Q100 qualified solution

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 ZSSC1750/51 is optimized for ultra-low power

consumption drawing only 60µA or less in this mode.

Available Support

•

Evaluation Kit

Application Notes

Physical Characteristics

Features

•

Operation temperature up to -40°C to +125°C

Supply voltage: 4.2 to 18V

•

Two high-precision 24-bit sigma-delta ADCs

(18-bit with no missing codes);

Small footprint package: PQFN36 6x6 mm

sample rate: 1Hz to 16kHz

* FSR = full-scale range.

•

On-chip voltage reference (5ppm/K typical)

Current channel

Basic ZSSC1750/51 Application Circuit

I_BAToffset error: ≤ 10mA

To Harness

I_BATresolution: ≤ 1mA

Car Chassis Ground

Programmable gain: 4 to 512

Max. differential input stage input range: ±300mV

3.3V, <30mA

LIN-I/F

(ZSSC1750 )

VDDP

LIN

VBAT

VDDE

•

Voltage channel

INP

INN

VDDA

Input range: 4 to 28.8V

VDD

Voltage accuracy: ±60ppm FSR* = 1.73mV

R_shunt

IRQN

MCU_RSTN

MCU_CLK

IRQ

RST

CLK (opt.)

Interface

to Host

(e.g. CAN)

Temperature channel

External temperature sensor (NTC)

NTH

I/F

ZSSC1750/51

SPI

VSSE

µC

Factory-calibrated internal temp. sensor: ±2°C

NTC

SPI

NTL

VSSA

Battery

•

LIN 2.1/SAE J2602-1 transceiver (ZSSC1750 only)

Typical current consumption

VSS

Normal Mode: 12mA

Sleep Mode: ≤ 60µA

April 20, 2016

12 3 4 5 6 7...116

中文翻译

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