ZHCS212C April   2011  – March  2019 UCD90120A

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     简化原理图
  4. 4 修订历史记录
  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 I2C/SMBus/PMBus Timing Requirements
    7. 6.7 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 TI Fusion GUI
      2. 7.3.2 PMBus Interface
      3. 7.3.3 Rail Configuration
    4. 7.4 Device Functional Modes
      1. 7.4.1  Power-Supply Sequencing
        1. 7.4.1.1 Turn-On Sequencing
        2. 7.4.1.2 Turn-Off Sequencing
        3. 7.4.1.3 Sequencing Configuration Options
      2. 7.4.2  Pin-Selected Rail States
      3. 7.4.3  Monitoring
        1. 7.4.3.1 Voltage Monitoring
        2. 7.4.3.2 Current Monitoring
        3. 7.4.3.3 Remote Temperature Monitoring and Internal Temperature Sensor
        4. 7.4.3.4 Temperature by Host Input
      4. 7.4.4  Fault Responses and Alert Processing
      5. 7.4.5  Shut Down All Rails and Sequence On (Resequence)
      6. 7.4.6  GPIOs
      7. 7.4.7  GPO Control
      8. 7.4.8  GPO Dependencies
      9. 7.4.9  GPO Delays
      10. 7.4.10 State Machine Mode Enable
      11. 7.4.11 GPI Special Functions
      12. 7.4.12 Power-Supply Enables
      13. 7.4.13 Cascading Multiple Devices
      14. 7.4.14 PWM Outputs
        1. 7.4.14.1 FPWM1-8
        2. 7.4.14.2 PWM1-4
      15. 7.4.15 Programmable Multiphase PWMs
      16. 7.4.16 Margining
        1. 7.4.16.1 Open-Loop Margining
        2. 7.4.16.2 Closed-Loop Margining
      17. 7.4.17 System Reset Signal
      18. 7.4.18 Watch Dog Timer
      19. 7.4.19 Run Time Clock
      20. 7.4.20 Data and Error Logging to Flash Memory
      21. 7.4.21 Brownout Function
      22. 7.4.22 PMBus Address Selection
    5. 7.5 Programming
      1. 7.5.1 Device Configuration and Programming
        1. 7.5.1.1 Full Configuration Update While in Normal Mode
      2. 7.5.2 JTAG Interface
      3. 7.5.3 Internal Fault Management and Memory Error Correction (ECC)
  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 Estimating ADC Reporting Accuracy
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 文档支持
      1. 11.1.1 相关文档
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 术语表
  12. 12机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 Pin Configuration and Functions

NOTE

The maximum number of configurable rails is 12. The maximum number of configurable GPIs is 8. The maximum number of configurable Boolean Logic GPOs is 12.
RGC Package
64-Pin VQFN
Top View
UCD90120A PinAssgnChip_lvsan9.gif
Simplified Pinout View
UCD90120A PinAssgnGrp_lvsan9.gif

Pin Functions

PIN I/O TYPE DESCRIPTION
NAME NO.
ANALOG MONITOR INPUTS
MON1 1 I Analog input (0 V–2.5 V)
MON2 2 I Analog input (0 V–2.5 V)
MON3 3 I Analog input (0 V–2.5 V)
MON4 4 I Analog input (0 V–2.5 V)
MON5 5 I Analog input (0 V–2.5 V)
MON6 6 I Analog input (0 V–2.5 V)
MON7 59 I Analog input (0 V–2.5 V)
MON8 62 I Analog input (0 V–2.5 V)
MON9 63 I Analog input (0 V–2.5 V)
MON10 50 I Analog input (0.2 V–2.5 V)
MON11 52 I Analog input (0.2 V–2.5 V)
MON12 54 I Analog input (0.2 V–2.5 V)
MON13 56 I Analog input (0.2 V–2.5 V)
GPIO
GPIO1 11 I/O General-purpose discrete I/O
GPIO2 12 I/O General-purpose discrete I/O
GPIO3 13 I/O General-purpose discrete I/O
GPIO4 14 I/O General-purpose discrete I/O
GPIO13 25 I/O General-purpose discrete I/O
GPIO14 29 I/O General-purpose discrete I/O
GPIO15 30 I/O General-purpose discrete I/O
GPIO16 33 I/O General-purpose discrete I/O
GPIO17 34 I/O General-purpose discrete I/O
GPIO18 35 I/O General-purpose discrete I/O
PWM OUTPUTS
FPWM1/GPIO5 17 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM2/GPIO6 18 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM3/GPIO7 19 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM4/GPIO8 20 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM5/GPIO9 21 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM6/GPIO10 22 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM7/GPIO11 23 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
FPWM8/GPIO12 24 I/O/PWM PWM (15.259 kHz to 125 MHz) or GPIO
PWM1/GPI1 31 I/PWM Fixed 10-kHz PWM output or GPI
PWM2/GPI2 32 I/PWM Fixed 1-kHz PWM output or GPI
PWM3/GPI3 42 I/PWM PWM (0.93 Hz to 7.8125 MHz) or GPI
PWM4/GPI4 41 I/PWM PWM (0.93 Hz to 7.8125 MHz) or GPI
PMBus COMM INTERFACE
PMBUS_CLK 15 I/O PMBus clock (must have pullup to 3.3 V)
PMBUS_DATA 16 I/O PMBus data (must have pullup to 3.3 V)
PMBALERT# 27 O PMBus alert, active-low, open-drain output (must have pullup to 3.3 V)
PMBUS_CNTRL 28 I PMBus control
PMBUS_ADDR0 61 I PMBus analog address input. Least-significant address bit
PMBUS_ADDR1 60 I PMBus analog address input. Most-significant address bit
JTAG
TRCK 10 O Test return clock
TCK/GPIO19 36 I/O Test clock or GPIO
TDO/GPIO20 37 I/O Test data out or GPIO
TDI/GPIO21 38 I/O Test data in (tie to Vdd with 10-kΩ resistor) or GPIO
TMS/GPIO22 39 I/O Test mode select (tie to Vdd with 10-kΩ resistor) or GPIO
TRST 40 I Test reset – tie to ground with 10-kΩ resistor
INPUT POWER AND GROUNDS
RESET 9 Active-low device reset input. Hold low for at least 2 μs to reset the device.
V33FB 58 Linear Regulator Feedback connection. Leave unconnected.
V33A 46 Analog 3.3-V supply. Refer to the Layout Guidelines section.
V33D 45 Digital core 3.3-V supply.
V33DIO1 7 Digital I/O 3.3-V supply.
V33DIO2 44 Digital I/O 3.3-V supply.
BPCap 47 1.8-V bypass capacitor.
AVSS1 49 Analog ground
AVSS2 48 Analog ground
AVSS3 64 Analog ground
DVSS1 8 Digital ground
DVSS2 26 Digital ground
DVSS3 43 Digital ground
QFP ground pad NA Thermal pad – tie to ground plane.
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