ZHCSYL8 July 2025 TPS546B25W
PRODUCTION DATA
下面顯示了 MSEL2 的引腳配置表。上電時(shí) PMBus 命令的編程取決于PIN_DETECT_OVERRIDE中的值。的默認(rèn)值PIN_DETECT_OVERRIDE是03EDh。請參閱PIN_DETECT_OVERRIDE以確定哪些命令由 MSEL2 編程及哪些命令由 NVM 默認(rèn)值編程
GAIN 和 RAMP 的默認(rèn)值為：
| 電阻器 (kΩ) | 開關(guān)頻率 (FSW) (kHz) | 增益 | 斜坡 |
|---|---|---|---|
| < 1.78 | 600 | 3V/V | 240mV |
| 2.21 | 120mV | ||
| 2.74 | 10V/V | 240mV | |
| 3.32 | 120mV | ||
| 4.02 | 30V/V | 240mV | |
| 4.87 | 120mV | ||
| 5.9 | 800 | 3V/V | 240mV |
| 7.32 | 120mV | ||
| 9.09 | 10V/V | 240mV | |
| 11.3 | 120mV | ||
| 14.3 | 30V/V | 240mV | |
| 18.2 | 120mV | ||
| 22.1 | 1000 | 3V/V | 240mV |
| 26.7 | 120mV | ||
| 33.2 | 10V/V | 240mV | |
| 40.2 | 120mV | ||
| 49.9 | 30V/V | 240mV | |
| 60.4 | 120mV | ||
| 76.8 | 1400 | 3V/V | 240mV |
| 102 | 120mV | ||
| 137 | 10V/V | 240mV | |
| 174 | 120mV | ||
| 243 | 30V/V | 240mV | |
| > 412 | 120mV |
| 電阻器 (kΩ) | 開關(guān)頻率 (FSW) (kHz) | 過流限制 |
|---|---|---|
| < 1.78 | 600 | 25 |
| 2.21 | ||
| 2.74 | 20 | |
| 3.32 | ||
| 4.02 | 15 | |
| 4.87 | ||
| 5.9 | 800 | 25 |
| 7.32 | ||
| 9.09 | 20 | |
| 11.3 | ||
| 14.3 | 15 | |
| 18.2 | ||
| 22.1 | 1000 | 25 |
| 26.7 | ||
| 33.2 | 20 | |
| 40.2 | ||
| 49.9 | 15 | |
| 60.4 | ||
| 76.8 | 1400 | 25 |
| 102 | ||
| 137 | 20 | |
| 174 | ||
| 243 | 15 | |
| > 412 |
| 電阻器 (kΩ) | 開關(guān)頻率 (FSW) (kHz) | 過流限制 (OCL) (A) |
|---|---|---|
| < 1.78 | 600 | 25 |
| 2.21 | ||
| 2.74 | 20 | |
| 3.32 | ||
| 4.02 | 15 | |
| 4.87 | ||
| 5.9 | 1000 | 25 |
| 7.32 | ||
| 9.09 | 20 | |
| 11.3 | ||
| 14.3 | 15 | |
| 18.2 | ||
| 22.1 | 1400 | 25 |
| 26.7 | ||
| 33.2 | 20 | |
| 40.2 | ||
| 49.9 | 15 | |
| 60.4 | ||
| 76.8 | 2000 | 25 |
| 102 | ||
| 137 | 20 | |
| 174 | ||
| 243 | 15 | |
| > 412 |