User Guide

PAMS Technical Documentation 3 - Audio System
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Vibra driver specifications
Parameter Variable Min Typ Max Unit
Output swhich resistance Rvibra 1.4 4.2 7.5 Ohm
Output average current Ivibra VBAT 50 80 135 mA
Output peak current Ipeak VBAT 300 mA
Output frequency Fvibra 64 129 520 Hz
Output duty cycle Dvibra 2.9 47 96.9 %
Reverse diode peak current Iforw tp = 10 us 0.30 A
Motor average dc Udc_motor VBAT=3.0 ... 4.5 V 1.0 1.5 2.3 Vdc
Output current high imp Ihiz V_ANA, VBAT -1 1 uA
7DEOHVibra output frequency control
D1 D0 Vibra output frequency
0 0 64,1
0 1 128,5
1 0 258,0
1 1 520,1