JAJSIR7C October   2019  – August 2021 TPS8804

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 System Power-up
      2. 7.3.2 LDO Regulators
        1. 7.3.2.1 Power LDO Regulator
        2. 7.3.2.2 Internal LDO Regulator
        3. 7.3.2.3 Microcontroller LDO Regulator
      3. 7.3.3 Photo Chamber AFE
        1. 7.3.3.1 Photo Input Amplifier
        2. 7.3.3.2 Photo Gain Amplifier
      4. 7.3.4 LED Driver
        1. 7.3.4.1 LED Current Sink
        2. 7.3.4.2 LED Voltage Supply
      5. 7.3.5 Carbon Monoxide Sensor AFE
        1. 7.3.5.1 CO Transimpedance Amplifier
        2. 7.3.5.2 CO Connectivity Test
      6. 7.3.6 SLC Interface Transmitter and Receiver
        1. 7.3.6.1 SLC Transmitter
        2. 7.3.6.2 SLC Receiver
      7. 7.3.7 AMUX
      8. 7.3.8 Analog Bias Block and 8 MHz Oscillator
      9. 7.3.9 Interrupt Signal Alerts
    4. 7.4 Device Functional Modes
      1. 7.4.1 Fault States
        1. 7.4.1.1 MCU LDO Fault
        2. 7.4.1.2 Over-Temperature Fault
    5. 7.5 Programming
    6. 7.6 Register Maps
      1. 7.6.1  REVID Register (Offset = 0h) [reset = 0h]
      2. 7.6.2  STATUS1 Register (Offset = 1h) [reset = 0h]
      3. 7.6.3  STATUS2 Register (Offset = 2h) [reset = 0h]
      4. 7.6.4  MASK Register (Offset = 3h) [reset = 0h]
      5. 7.6.5  CONFIG1 Register (Offset = 4h) [reset = 20h]
      6. 7.6.6  CONFIG2 Register (Offset = 5h) [reset = 0h]
      7. 7.6.7  ENABLE1 Register (Offset = 6h) [reset = 0h]
      8. 7.6.8  ENABLE2 Register (Offset = 7h) [reset = 0h]
      9. 7.6.9  CONTROL Register (Offset = 8h) [reset = 0h]
      10. 7.6.10 GPIO_AMUX Register (Offset = Bh) [reset = 0h]
      11. 7.6.11 COSW Register (Offset = Ch) [reset = 0h]
      12. 7.6.12 CO Register (Offset = Dh) [reset = 0h]
      13. 7.6.13 LEDLDO Register (Offset = Fh) [reset = 0h]
      14. 7.6.14 PH_CTRL Register (Offset = 10h) [reset = 0h]
      15. 7.6.15 LED_DAC_A Register (Offset = 11h) [reset = 0h]
      16. 7.6.16 LED_DAC_B Register (Offset = 12h) [reset = 0h]
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Photo Amplifier Component Selection
        2. 8.2.2.2 LED Driver Component Selection
        3. 8.2.2.3 LED Voltage Supply Selection
        4. 8.2.2.4 Regulator Component Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Photo Amplifier Layout
      2. 10.1.2 CO Amplifier Layout
      3. 10.1.3 Ground Plane Layout
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 ドキュメントの更新通知を受け取る方法
    2. 11.2 サポート・リソース
    3. 11.3 Trademarks
    4. 11.4 静電気放電に関する注意事項
    5. 11.5 用語集
  12. 12Mechanical, 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）
サーマルパッド・メカニカル・データ
発注情報

Pin Functions

PINI/ODESCRIPTION
NAMENO.
AGND5IAnalog ground. Connect to ground plane.
AMUX33OAnalog multiplexer output.
CON35INegative terminal of CO operational amplifier. Connect to GND if unused.
COO34OOutput of CO operational amplifier. Connect to GND if unused.
COP36IPositive terminal of CO operational amplifier. Connect to GND if unused.
CSA9ILED driver A current sense.
CSB11ILED driver B current sense. Connect to GND if unused.
CSEL29IDevice address select pin for I2C serial interface. Pull to GND for I2C address 0x3F. Pull to VMCU for I2C address 0x2A. Do not leave floating.
DGND32IDigital ground. Connect to AGND.
DINA10ILED driver A current sink. Connect to cathode of LED.
DINB12ILED driver B current sink. Connect to cathode of LED. Connect to GND if unused.
GPIO26I/OMulti-purpose digital input and output.
LEDEN31ILED driver enable. Do not leave floating while device is powered.
LEDLDO4OLDO output for charging LED supply capacitor. Connect to GND if unused.
MCU_RX25OSLC interface output for receiving data from VLINE.
MCU_TX130IPrimary SLC interface input for transmitting data to VLINE.
MCU_TX216ISecondary SLC interface input for transmitting data to VLINE.
MCUSEL13IDefault MCULDO voltage selection input. Leave floating for VMCU = 3.3 V. Tie to VINT for VMCU = 2.5 V. Tie to GND for VMCU = 1.8 V. Connect to GND with 620-Ω resistor for VMCU = 1.5 V.
PDN7IPhoto input amplifier negative input. Connect to cathode of photodiode.
PDO8OPhoto input amplifier output pin.
PDP6IPhoto input amplifier positive Input. Connect to anode of photodiode.
PGND17IPower ground connection . Connect to AGND.
PLDO21OCapacitor connection to PLDO regulator.
PREF37OPhoto reference voltage and output for testing CO sensor connectivity.
REF0P338O300mV reference. Connect to GND if unused.
RESERVED1, 2, 3, 18N/AConnect to GND.
SCL27IClock input for I2C serial interface.
SDA28I/OData line for I2C serial interface.
SLC_RX24ISLC interface input for receiving data from VLINE.
SLC_TX114OPrimary SLC interface output for transmitting data to VLINE.
SLC_TX215OSecondary SLC interface output for transmitting data to VLINE.
VCC20IInput supply pin.
VINT22OCapacitor connection to internal supply LDO.
VMCU23I/OLDO supply for external microcontroller and internal IO buffers.
VSLC19ISLC transmitter supply.
Thermal Pad39N/AMetal connection for thermal dissipation. Connect to ground plane.