A8925 ALLEGRO [Allegro MicroSystems], A8925 Datasheet
A8925
Available stocks
Related parts for A8925
A8925 Summary of contents
Page 1
... Internal charge pump circuitry is provided to drive the N- channel DMOS source drivers to their required gate voltages. The A8925CEB is provided in a 44-lead PLCC power package for surface-mount applications. The copper batwing provides for maxi- mum allowable package power dissipation in the smallest possible construction ...
Page 2
BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH LINEAR CURRENT CONTROL AND POWER DMOS OUTPUTS Characteristic Logic Supply Voltage Load Supply Voltage Supply Current Thermal Shutdown Output ON Resistance Output Sustaining Voltage Clamp Diode Forward Voltage Output Leakage Current Logic Input ...
Page 3
BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH LINEAR CURRENT CONTROL AND POWER DMOS OUTPUTS Characteristic Logic Output Voltage (FAULT, TACH) Input Bias Current Input Offset Voltage Input Common-Mode Voltage Range Error Voltage Gain Unity Gain Bandwidth Common-Mode Rejection Ratio Power ...
Page 4
... Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Power Outputs (OUT , OUT A B OUT ). The power outputs of the A8925CEB C are DMOS transistors with a maximum r of 0.25 . Intrinsic ground clamp and flyback diodes clamp transient voltage spikes when switching inductive loads. Internal charge ...
Page 5
... LOGIC SUPPLY (V A8925CEB and powers all circuitry except the power outputs and brake control circuitry. LOGIC GROUND. This must be connected to the power ground terminals in systems that do not use separate power and logic grounds ...
Page 6
BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH LINEAR CURRENT CONTROL AND POWER DMOS OUTPUTS 0.319 0.291 0.021 0.013 0.319 0.291 0.050 BSC 8.10 7.39 0.533 0.331 8.10 7.39 1.27 BSC NOTES: 1. Webbed lead frame. Leads 7 through 17 and ...
Page 7
BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH LINEAR CURRENT CONTROL AND POWER DMOS OUTPUTS Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifica- tions as may be required to permit improvements ...
Page 8
BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH LINEAR CURRENT CONTROL AND POWER DMOS OUTPUTS 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 ...