SY21621HKP (SY67221HKP )

• Power Supply Voltage Range from 2.7V to 18V
• Different Operation Mode
• --Two H-bridge Operation with Four INx Input
• --Two H-bridge Operation with Two INx Input
• --One H-bridge Operation with Two INx Input, Parallel Operation
• --Four Half-H-bridge Operation with Four INx Input
• Maximum Drive Current of 1.5A RMS Current for Each H-bridge@TA=25°C
• Internal Integrated Open Circuit Detection, Over Current Protection, Short Circuit Protection, Under Voltage Lockout and Thermal Shutdown
• Low-power Sleep Mode
• Fault Indication
• TSSOP16 Package

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.