SLVA888C
April 2017 – January 2021
TPS65987D
,
TPS65988
Trademarks
1
Schematic Design Guidelines
1.1
Power Supply Scheme
1.1.1
VIN_3V3
1.1.2
LDO_3V3
1.1.3
LDO_1V8
1.2
Boot Configuration
1.2.1
BUSPOWER (ADCIN1)
1.2.2
External SPI Flash
1.3
I2C Interface
1.3.1
I2C Pin Address Setting (ADCIN2)
1.4
HRESET
1.5
Configuration Channel / VCONN Lines
1.5.1
PP_CABLE
1.6
Battery Charger Detection and Advertisement (BC1.2)
1.7
GPIOs
1.8
Hot Plug Detect or HPD Line
1.9
PP_EXT Power Path Control
1.10
Power Path Considerations
2
Layout Guidelines
2.1
Power Domain
2.2
Hi Speed Lines
2.3
Other Considerations
3
Summary
4
References
A Appendix
A.1 Dead Battery Considerations
A.2 TPS65987DDH Schematic Checklist
A.3 TPS65987DDH System Checklist
Revision History
1.1
Power Supply Scheme
Figure 1-1
Power Supply Scheme