有助于满足最新平台,尤其是汽车雷达和摄像头以及工业雷达应用的电源管理要求。该器件包含两个降压直流/直流转换器和一个 5V 升压转换器/旁路开关,可支持安全关键型应用。该器件集成了两个用于外部电源的电压监控输入和一个窗口看门狗。
自动 PWM/PFM(AUTO 模式)运行可在降压转换器的较宽输出电流范围内实现较高效率。
该器件包含一次性可编程 (OTP) 内存。对于给定的应用,每个可订购器件型号都有特定的 OTP 设置。有关每个可订购器件型号的默认 OTP 配置的详细信息,请参见技术参考手册。
| Regulated outputs (#) | 3 |
| Configurability | Factory programmable, Software configurable |
| Vin (min) (V) | 2.8 |
| Vin (max) (V) | 5.5 |
| Iout (max) (A) | 3.5 |
| Features | Dynamic voltage scaling, Enable, Enable pin, I2C control, Overcurrent protection, Power good, Power sequencing, Power supply and system monitoring, Spread-Spectrum Clock (SSC) Generation, Thermal shutdown, UVLO fixed |
| TI functional safety category | Functional Safety Quality-Managed |
| Step-up DC/DC converter | 1 |
| Step-down DC/DC converter | 2 |
| Step-down DC/DC controller | 0 |
| Step-up DC/DC controller | 0 |
| LDO | 0 |
| Iq (typ) (mA) | 27 |
| Rating | Catalog |
| Switching frequency (max) (kHz) | 4000 |
| Operating temperature range (°C) | -40 to 105 |
| Processor supplier | Texas Instruments |
| Processor name | mmWave IWR |
| Shutdown current (ISD) (typ) (µA) | 1 |
| Switching frequency (typ) (kHz) | 2000 |
| VQFN (RHB) | 32 | 25 mm² 5 x 5 |