JAJSIR6C
September 2019 – August 2021
TPS8802
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
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
ドキュメントの更新通知を受け取る方法
12.2
サポート・リソース
12.3
Trademarks
12.4
静電気放電に関する注意事項
12.5
用語集
13
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DCP|38
MPDS520B
サーマルパッド・メカニカル・データ
DCP|38
PPTD170A
発注情報
jajsir6c_oa
jajsir6c_pm
6
Specifications