The SY21621 is a four half-bridge driver solution for DC brush motors, bipolar stepper motors, solenoids, or other inductive loads. The highly integrated half-H-bridge driver block consists of half-H-bridge with internal logic control, gate driver, over current protection and charge pump circuit. I2C communication is also supported. The SY21621 provides complete protection functions with a fault output pin for open circuit detection (OCD), over current protection (OCP), short circuit protection (SCP), under voltage lockout (UVLO) and thermal shutdown (TSD). A low-power sleep mode is also provided. The device is packaged in a 16-pin TSSOP.
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| 电源 | |
|---|---|
| Peak output current (A) | 1.85 |
| Sleep current (µA) | 3.8 |
| 环境与封装 | |
| Operating temperature range(°C) | -40 to 85 |
| Package | TSSOP16 |
| 其他 | |
| Control interface | HW/I2C |
| Features | Current regulation, Mixed decay, Integrated current sensing, Open circuit detection |
| Integrated FETs(Yes/No) | Yes |
| Number of half bridges | 2 |
| RDS(on) (HS + LS) (mΩ) | 670 |
| Vin (max) (V) | 18 |
| Vin (min) (V) | 2.7 |
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