| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 48 Pin |
| Supply Voltage (DC) | 6.00V (min) |
| Case/Package | LQFP-48 |
| Supply Current | 15.0 mA |
| Number of Positions | 48 Position |
| Common Mode Rejection Ratio | 100 dB |
| Input Capacitance | 1.50 pF |
| Gain Bandwidth Product | 30.0 MHz |
| Input Impedance | 300 kΩ |
| Reset Threshold Voltage (Min) | 3.6 V |
| Reset Threshold Voltage (Max) | 4.6 V |
| Operating Temperature (Max) | 105 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 6V ~ 30V |
| Supply Voltage (Max) | 30 V |
| Supply Voltage (Min) | 6 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tray |
| Size-Length | 7.2 mm |
| Size-Width | 7.2 mm |
| Size-Height | 1.45 mm |
| Operating Temperature | -40℃ ~ 105℃ (TA) |
The AD8280WASTZ is a hardware-only Safety Monitor for Li-ion battery stacks. The part has inputs to monitor six battery cells and two temperature sensors (either NTC or PTC thermistors). The part is designed to be daisy-chained with other AD8280 devices to monitor a stack of significantly more than six cells without the need for numerous isolators. Its output can be configured for an independent or shared alarm state. The AD8280 functions independently from a primary monitor and contains its own reference and LDO, both of which are powered completely from the battery cell stack. The reference, in conjunction with external resistor dividers, is used to establish trip points for the over voltages and under voltages. Each cell channel contains programmable deglitching circuitry to prevent alarms from transient input levels.
● Can be daisy-chained
● Internal reference
● Powered from battery stack
● LDO available to power isolator
● Extensive self-test feature aids in meeting ASIL/SIL requirements
ADI
Lithium Ion Battery Safety Monitor
ADI
ANALOG DEVICES AD8280WASTZ Battery Li-Ion Monitor IC, Serial Interface, 6 Auxiliary ADC Inputs, 8V to 30V supply, LQFP-48
ADI
Battery Monitoring Li-Ion 48Pin LQFP
ADI
ANALOG DEVICES AD8280-EVALZ Evaluation Board, Power Management, Battery Monitor, AD8280
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