ZHCAE91A July   2024  – January 2025 LP87521-Q1 , LP87562-Q1 , LP87563-Q1 , TPS62811-Q1 , TPS745-Q1

 

  1.   1
  2.   Abstract
  3.   商标
  4. 1 Introduction
  5. 2 Design Parameters
  6. 3 Power Design
  7. 4 Sequencing
    1. 4.1 启动
    2. 4.2 Shutdown
  8. 5 Schematic
  9. 6 Compatibility with X9HP
  10. 7 软件驱动程序
  11. 8 Recommended External Components
  12. 9 总结
  13. 10参考资料
  14. 11Revision History

2 Design Parameters

Table 2-1 shows the power rails, load requirements, and startup or shutdown sequencing requirements and Section 8 shows typical measurement data.
Table 2-1 Design Parameters
VOLTAGE (V)RAIL NAMEMAX LOAD (mA)SOURCESTARTUP DELAY (trigger)SHUTDOWN DELAY (trigger)
0.6VDDQLP_DRAM500AP_TPS6285010ms (EN_TPS628501 high)0ms (EN_TPS628501 low)
0.8VDDIO_RTC0V85RTC_LDO20ms (EN_RTC_LDO2 high)0ms (EN_RTC_LDO2 low)
0.85VDD_SAF_0V851000SAF_BUCK10ms (SAF_BUCK1 = SYS_PWR_ON high)10ms (SAF_BUCK1 = SYS_PWR_ON low)
VDD_AP_0V8510000LP87562_B0-B20ms (LP87562_EN1 = SYS_CTRL0 high)3ms (LP87562_EN1 = SYS_CTRL0 low)

VDD_MIPI_0V85

VDD_PCIE_0V85

VDD_USB

VDDD_USB

450LP87562_B0-B20ms (LP87562_EN1 = SYS_CTRL0 high)3ms (LP87562_EN1 = SYS_CTRL0 low)
VDD_DRAM_0V852000LP87562_B30ms (LP87562_EN1 = SYS_CTRL0 high)3ms (LP87562_EN1 = SYS_CTRL0 low)
VDD_CPU_0V8510000LP87521_B0-B30ms (LP87521_EN1 = SYS_CTRL1 high)3ms (LP87521_EN1 = SYS_CTRL1 low)
VDD_GPU_0V858000LP87563_B0-B12ms (LP87563_EN1 = SYS_CTRL1 high)1ms (LP87521_EN1 = SYS_CTRL1 low)
1.1VDDQ_DRAM_1V1

2000

LP87563_B21ms (LP87563_EN1 = SYS_CTRL1 high)1ms (LP87521_EN1 = SYS_CTRL1 low)
1.8VDD_RTC_1V8300RTC_LDO10ms (EN_RTC_LDO1 high)0ms (EN_RTC_LDO1 low)
VDD_SAF_1V8<500SAF_LDO10ms (EN_SAF_LDO1 high)0ms (EN_SAF_LDO1 low)

VDDA_1V8

VDDA_MIPI_1V8

1300LP87563_B31ms (LP87563_EN1 = SYS_CTRL1 high)2ms (LP87563_EN1 = SYS_CTRL1 low)
VDD_LP4_1V8200AP_TPS7450ms (EN_AP_TPS745 high)0ms (EN_AP_TPS745 low)
3.3VDD_SAF_3V3<500SAF_LDO20ms (EN_SAF_LDO2 high)0ms (EN_SAF_LDO2 low)
VDDH_3V3

VDDIO_3V3

750AP_TLV7670ms (EN_AP_TLV767 high)0ms (EN_AP_TLV767 low)
SignalRTC_RESET-PG_RTC_LDO2--
SAFETY_RESET-PG_SAF_LDO1--
AP_RESET-PG_AP_TPS628501--