SLUAAX0 August 2024 F29H850TU , F29H859TU-Q1 , LM4040-N-Q1 , LMR43606-Q1 , LMR43610-Q1 , TMS320F2800157-Q1 , TMS320F280039-Q1 , TMS320F28P659DK-Q1 , TPS389C03-Q1 , TPS745-Q1 , TPS746-Q1
The TMS320F28xxxx-Q1 is a member of the C2000™ real-time microcontroller family of scalable, ultra-low latency devices designed for efficiency in power electronics, including but not limited to: high power density, high switching frequencies, and supporting the use of GaN and SiC technologies. The C2000 supports key applications such as onboard chargers, DCDC controllers, traction inverters, and digital cockpit. The TMS320F28xxxx-Q1 supports up to 384KB (192KW) of flash memory divided into three 128KB (64KW) banks, which enable programming and execution in parallel. Up to 69KB (34.5KW) of on-chip SRAM is also available to supplement the flash memory.
The primary benefit of using discrete power components is flexibility. The ability to swap, add, or remove individual components provides an easy way to conform to any changes in system power requirements. For example, processor power requirements are trending towards higher power with each generation. A discrete power design can easily accommodate this increase in power demand with the addition or scaling-up of individual components. This results in a simplified product and a shorter design cycle time. Alternatively, a different system can draw less power and can have less stringent requirements for power supply performance. In this case, a more cost-optimized power supply is called for and can be achieved by removing or swapping power components as needed. Removing one or more power rails from an existing design can be as simple as not populating the board with the component. This can save time and money by utilizing a power design tailored exactly to the needs of the system.
The TMS320F28xxxx-Q1 requires three power supply groups. The power supply groups include the 1.2V core supply (VDD), 3.3V analog supply (VDDA), and 3.3V digital supply (VDDIO). See also TMS320F28003x Real-Time Microcontrollers Data Sheet.
Power Device | Signal | VOUT (V) | TMS320F2800157-Q1 TMS320F280049-Q1TMS320F280039-Q1 | TMS320F28P659DK-Q1 | ||
---|---|---|---|---|---|---|
Device | IOUT (mA) | Device | IOUT (mA) | |||
DC/DC |
VDDIO VDDA |
3.3 | LMR43606-Q1 | 600 | LMR43610-Q1 | 1000 |
LDO |
VDD | 1.2 | TPS745-Q1 | 500 | TPS746-Q1 | 1000 |
VREF |
VREF_HI | 3.0 | LM4040-N-Q1 |
15 |
LM4040-N-Q1 | 15 |
SVS+WD |
GPIOx_WDI GPIOx_nRST GPIOx_ACT MONx |
NA |
TPS389C03-Q1 |
NA |
TPS389C03-Q1 |
NA |
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