Analog Devices Inc. MAX49921 Evaluation Kit (MAX49921EVKIT)
Analog Devices MAX49921 Evaluation Kit (MAX49921EVKIT) provides a reference design based on the MAX49921 Current-Sense Amplifier (CSA). The MAX49921 is an AEC-Q100 qualified unidirectional CSA optimized for current monitoring of inductive loads, such as DC motors and solenoids, where common-mode voltages can become negative due to inductive kickback, reverse-battery conditions, or transient events.
The Analog Devices MAX49921 Evaluation Kit (MAX49921EVKIT) features a pre-mounted MAX49921 in a 2mm x 3mm, side-wettable TDFN8 package with a gain of 50V/V. Multiple test points enable easy access to all key pin signals.
Features
- MAX49921 in a TDFN8 package
- Complete example application circuit
- Convenient test points
- Precision real-time current monitoring
- 0V to +70V input common-mode range
- Proven PCB layout
- Fully assembled and tested
Applications
- Solenoid current sensing
- Battery current monitoring
- Current monitoring of inductive loads
- High- and low-side precision current sensing
- Super-capacitor charge/discharge monitoring
- Precision high-voltage current monitoring
- Automotive current sensing
Required Equipment
- DC PS1 (power supply 1 for the IC, 2.7V to 5V, 100mA)
- DC PS2 (power supply 2 for the common-mode input, up to 70V, 3A)
- Electronic load (capable of sinking up to 3A and up to 70V)
- Two digital multimeters (DMMs)
Board Layout
Supported Device
Analog Devices Inc. MAX49921 Current-Sense Amplifier (CSA)
AEC-Q100 qualified, unidirectional current-sense amplifier in a compact TDFN8 package.
Published: 2020-12-07
| Updated: 2024-07-31