NXP Semiconductors 34978
22-channel multiple switch detection interface
| Part No. | 34978 |
|---|---|
| Datasheet | 34978 Download |
| Manufacturer |  NXP Semiconductors |
| Description | 22-channel multiple switch detection interface |
| Buy | Stock & Price |
FEATURES
● Fully functional operation 4.5 V ≤ VBATP ≤ 36 V● Full parametric operation 6.0 V ≤ VBATP ≤ 28 V
● Operating switch input voltage range from -1.0 V to 36 V
● Eight programmable inputs (switches to battery or ground)
● 14 switch-to-ground inputs
● Selectable wetting current (2, 6, 8, 10, 12, 14, 16, or 20 mA)
● Interfaces directly to an MCU using 3.3 V / 5.0 V SPI protocol
● Selectable wake-up on change of state
● Typical standby current IBATP = 30 μA and IDDQ = 10 μA
● Active interrupt (INT_B) on change-of-switch state
● Integrated battery and temperature sensing MULTIPLE SWITCH DETECTION INTERFACE EK SUFFIX (PB-FREE) 98ASA10556D 32-PIN SOICW-EP ES SUFFIX (PB-FREE) 98ASA00656D 32-PIN QFN (WF-TYPE)
APPLICATIONS
● Automotive● Heating ventilation and air conditioning (HVAC)
● Lighting
● Central gateway/in-vehicle networking
● Gasoline engine management
● Industrial
● Programmable logic control (PLC)
● Process control, temperature control
● Input-output control (I/O Control)
● Single board computer
● Ethernet switch Notes 1.
