具有 5V LDO 和欠壓檢測功能的 24V、8 通道 NMOS 低側驅動器
| Drivers per package | 8 |
| Output voltage (Max) (V) | 16.5 |
| Peak output current (mA) | 150 |
| Delay time (Typ) (ns) | 10, 80 |
| Input compatibility | CMOS |
| Vol @ lowest spec current (Typ) (mV) | 400 |
| Iout/ch (Max) (mA) | 150 |
| Iout_off (Typ) (uA) | 2 |
| Rating | Catalog |
- Eight Low-Side Drivers With Internal Clamp for Inductive Loads and Current Limiting for Self Protection
- Seven Outputs are Rated at 150 mA and Controlled Through Serial Interface
- One Output Rated at 150 mA and Controlled Through Serial Interface and Dedicated Enable Pin
- 5-V ±5% Regulated Power Supply With 200-mA Load Capability at VIN Max of 18 V
- Internal Voltage Supervisory for Regulated Output
- Serial Communications for Control of Eight Low-Side Drivers
- Enable/Disable Input for OUT1
- 5-V or 3.3-V I/O Tolerant for Interface to Microcontroller
- Programmable Power On-Reset Delay Before RST Asserted High, Once 5 V Is Within Specification (6 ms Typ)
- Programmable Deglitch Timer Before RST Is Asserted Low (40 μ Typ)
- Programmable Brown-Out Feature
- Thermal Shutoff for Self Protection
- APPLICATIONS
- Electrical Applicances
- Air Conditioning Units
- Ranges
- Dishwashers
- Refrigerators
- Microwaves
- Washing Machines
- General-Purpose Interface Circuit Allowing Microcontroller Interface to Relays, Electric Motors, LEDs, and Buzzers
- Electrical Applicances
PowerPAD is a trademark of Texas Instruments.
The power supply provides regulated 5-V output to power the system microcontroller and drive eight low-side switches. The brown-out detection output (BO_OUTZ) warns the system if there is a temporary drop in the supply voltage, so the system can prevent potentially hazardous situations.
A serial communications interface controls the eight low-side outputs; each output has an internal snubber circuit to absorb the inductive load at turn OFF. Alternatively, the system can use a fly-back diode to VIN to help recirculate the energy in an inductive load at turn OFF.
