MC34921 Datasheet, PDF (6/36 Pages) List of Unclassifed Manufacturers – Configurable Motor Driver IC with Power Supplies

Maximum Ratings
MAXIMUM RATINGS
Table 2. Maximum Ratings
All voltages are with respect to ground unless otherwise noted. Exceeding these ratings may cause a malfunction or
permanent damage to the device.
Rating
Symbol
Max
Unit
ELECTRICAL Ratings
Input Power Supply Voltage
I_B+ = 0.0 A
Logic Input Voltage
Boost Supply Voltage
Input Power Supply Ripple Voltage
Ripple Voltage Measured at < 20 MHz
Motor Drivers A & B Maximum Output Voltage
5.0 V Linear Regulator Maximum Output Voltage
Startup
5.0 V Switching Regulator Maximum Output Voltage
Startup
3.3 V Switching Regulator Maximum Output Voltage
Startup
VCORE Linear Regulator Maximum Output Voltage
I_CORE = 0.0 A
Motor Drivers A, B, and C (Motor Driver C Configured as Step Motor Driver)⁽¹⁾
Motor Driver A Sink or Source Current
Motor Driver B Sink or Source Current
Motor Driver C Sink or Source Current
Motor Driver C in Step Mode Step Motor Output Current
Output x or x On
Motor Driver C in Step Mode Standoff Voltage
Output Off, I_DSS = 10 mA
ESD Voltage⁽²⁾
Non-Operating, Unbiased, Human Body Model
Machine Model
Charge Device Model
B+
V_IN
V_BOOST
V_{RIPPLE B}
V_OUTMAX
V_5.0
V_5.0
V_3.3
V_CORE
I _PWM(A)
I _PWM(B)
I _PWM(C)
I _STEP
V _BVDS
V_ESD
-0.3 to 38
-0.3 to V_5.0+0.3
B⁺ +15
400
40
5.4
5.4
3.6
V_{CORE_NOM} +10%
±4.5
±4.5
±1.5
2.0
60
± 2000
± 200
± 250
V
V
V
mV_PP
V
V
V
V
V
A
A
V
V
Notes
1. B+ = 34 V, Motor Stalled and Saturated
2. ESD testing is performed in accordance with the Human Body Model (C_ZAP = 100 pF, R_ZAP = 1500 Ω), the Machine Model (C_ZAP = 200
pF, R_ZAP = 0 Ω), and the Charge Device Model.
34921
6
Analog Integrated Circuit Device Data
Freescale Semiconductor