具有單個公共電流感應的數字控制兼容雙低側 +/- 4A MOSFET 驅動器
| Number of channels (#) | 2 |
| Power switch | MOSFET, IGBT |
| Peak output current (A) | 4 |
| Input VCC (Min) (V) | 4.5 |
| Input VCC (Max) (V) | 15 |
| Features | Programmable common current sense |
| Operating temperature range (C) | -40 to 105 |
| Rise time (ns) | 10 |
| Fall time (ns) | 10 |
| Prop delay (ns) | 20 |
| Input threshold | CMOS, TTL |
| Channel input logic | CMOS, TTL |
| Input negative voltage (V) | 0 |
| Rating | Catalog |
| Undervoltage lockout (Typ) | 4.5 |
| Driver configuration | Dual, Uncommitted Non-Inverting |
- Adjustable Current Limit Protection
- 3.3-V, 10-mA Internal Regulator
- DSP/μC Compatible Inputs
- Dual ±4-A TrueDrive? High Current Drivers
- 10-ns Typical Rise and Fall Times with 2.2-nF Loads
- 20-ns Input-to-Output Propagation Delay
- 25-ns Current Sense-to-Output Propagation Delay
- Programmable Current Limit Threshold
- Digital Output Current Limit Flag
- 4.5-V to 15-V Supply Voltage Range
- Rated from –40°C to 105°C
The UCD7201 is a member of the UCD7K family of digital control compatible drivers for applications utilizing digital control techniques or applications requiring fast local peak current limit protection.
The UCD7201 includes dual low-side ±4-A high- current MOSFET gate drivers. It allows the digital power controllers such as UCD9110 or UCD9501 to interface to the power stage in double ended topologies. It provides a cycle-by-cycle current limit function for both driver channels, a programmable threshold and a digital output current limit flag which can be monitored by the host controller. With a fast cycle-by-cycle current limit protection, the driver can turn off the power stage in the event of an overcurrent condition.
