ZHCSL07C
September 2019 – August 2021
TPS8802
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
System Power-up
8.3.2
LDO Regulators
8.3.2.1
Power LDO Regulator
8.3.2.2
Internal LDO Regulator
8.3.2.3
Microcontroller LDO Regulator
8.3.3
Photo Chamber AFE
8.3.3.1
Photo Input Amplifier
8.3.3.2
Photo Gain Amplifier
8.3.4
LED Driver
8.3.4.1
LED Current Sink
8.3.4.2
LED Voltage Supply
8.3.5
Carbon Monoxide Sensor AFE
8.3.5.1
CO Transimpedance Amplifier
8.3.5.2
CO Connectivity Test
8.3.6
Boost Converter
8.3.6.1
Boost Hysteretic Control
8.3.6.2
Boost Soft Start
8.3.7
Interconnect Driver
8.3.8
Piezoelectric Horn Driver
8.3.8.1
Three-Terminal Piezo
8.3.8.2
Two-Terminal Piezo
8.3.9
Battery Test
8.3.10
AMUX
8.3.11
Analog Bias Block and 8 MHz Oscillator
8.3.12
Interrupt Signal Alerts
8.4
Device Functional Modes
8.4.1
Sleep Mode
8.4.2
Fault States
8.4.2.1
MCU LDO Fault
8.4.2.2
Over-Temperature Fault
8.5
Programming
8.6
Register Maps
8.6.1
REVID Register (Offset = 0h) [reset = 0h]
8.6.2
STATUS1 Register (Offset = 1h) [reset = 0h]
8.6.3
STATUS2 Register (Offset = 2h) [reset = 0h]
8.6.4
MASK Register (Offset = 3h) [reset = 0h]
8.6.5
CONFIG1 Register (Offset = 4h) [reset = 20h]
8.6.6
CONFIG2 Register (Offset = 5h) [reset = 2h]
8.6.7
ENABLE1 Register (Offset = 6h) [reset = 10h]
8.6.8
ENABLE2 Register (Offset = 7h) [reset = 0h]
8.6.9
CONTROL Register (Offset = 8h) [reset = 0h]
8.6.10
SLPTMR1 Register (Offset = 9h) [reset = 0h]
8.6.11
SLPTMR2 Register (Offset = Ah) [reset = 0h]
8.6.12
GPIO_AMUX Register (Offset = Bh) [reset = 0h]
8.6.13
CO_BATTEST Register (Offset = Ch) [reset = 0h]
8.6.14
CO Register (Offset = Dh) [reset = 0h]
8.6.15
VBOOST Register (Offset = Eh) [reset = F2h]
8.6.16
LEDLDO Register (Offset = Fh) [reset = 0h]
8.6.17
PH_CTRL Register (Offset = 10h) [reset = 0h]
8.6.18
LED_DAC_A Register (Offset = 11h) [reset = 0h]
8.6.19
LED_DAC_B Register (Offset = 12h) [reset = 0h]
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Photo Amplifier Component Selection
9.2.2.2
LED Driver Component Selection
9.2.2.3
LED Voltage Supply Selection
9.2.2.4
Boost Converter Component Selection
9.2.2.5
Regulator Component Selection
9.2.3
Application Curves
9.2.4
3V Battery Smoke and CO Alarm
9.2.4.1
Design Requirements
9.2.4.2
Detailed Design Procedure
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Photo Amplifier Layout
11.1.2
CO Amplifier Layout
11.1.3
Boost Converter Layout
11.1.4
Ground Plane Layout
11.2
Layout Example
12
Device and Documentation Support
12.1
接收文档更新通知
12.2
支持资源
12.3
Trademarks
12.4
静电放电警告
12.5
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DCP|38
MPDS520B
散热焊盘机械数据 (封装 | 引脚)
DCP|38
PPTD170A
订购信息
zhcsl07c_oa
zhcsl07c_pm
12.4
静电放电警告
静电放电 (ESD) 会损坏这个集成电路。米6体育平台手机版_好二三四 (TI) 建议通过适当的预防措施处理所有集成电路。如果不遵守正确的处理和安装程序,可能会损坏集成电路。
ESD 的损坏小至导致微小的性能降级,大至整个器件故障。精密的集成电路可能更容易受到损坏,这是因为非常细微的参数更改都可能会导致器件与其发布的规格不相符。
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