
TMC222 DATASHEET (V. 1.12 / March 7, 2011)
45
Copyright 2004-2011 TRINAMIC Motion Control GmbH & Co. KG
Supply and Voltage regulator
Symbol
Pin(s)
Parameter
Test condition
Min
Typ
Max
Unit
Vbb
VBB
Nominal operating supply range (*)
6.5
18
V
VbbT85
Nominal operating supply range (*)
for temperature < 85°C
6.5
29
V
VbbOTP
Supply Voltage for OTP zapping
8.5
9.5
V
UV1
Low voltage high threshold
8.8
9.4
9.8
V
UV2
Stop voltage low threshold
8.1
8.5
8.9
V
Ibat
Total current consumption
Unloaded Outputs
10
mA
Vdd
VDD
Internal regulated output
(**)
8V < Vbb < 18V
Cload = 1F (+100nF cer.)
4.75
5
5.25
V
IddStop
Digital current consumption
Vbb < UV2
2
mA
VddReset
Digital supply reset level
(***)
4.4
V
IddLim
Current limitation
Pin shorted to ground
40
mA
Table 21: DC Parameters Supply and Voltage regulator
(*) Communication over serial bus is operating. Motor driver is disabled when Vbb < UV2.
(**) Pin VDD must not be used for any external supply.
(***) The RAM content will not be altered above this voltage
Switch Input and hardwired address input HW
Symbol
Pin(s)
Parameter
Test condition
Min
Typ
Max
Unit
Rt_OFF
SWI
HW
Switch OFF resistance
(*)
Switch to GND or Vbat
10
k
Rt_ON
Switch ON resistance
(*)
2
k
Vbb_sw
Vbb range for guaranteed
operation of SWI and HW
6
18
V
Vmax_sw
Maximum Voltage
T < 1s
40
V
Ilim_sw
Current limitation
Short to GND or Vbat
30
mA
Table 22: DC Parameters Switch Input and hardwired address input
(*) External resistance value seen from pin SWI or HW, including 1k series resistor
Test pin
Symbol
Pin(s)
Parameter
Test condition
Min
Typ
Max
Unit
Vhigh
TST
Input level high
Input level low
0.7
0.3
Vdd
Vlow
HWhyst
Hysteresis
0.075
Vdd
Table 23: DC Parameters Test pin
Charge Pump
Symbol
Pin(s)
Parameter
Test condition
Min
Typ
Max
Unit
Vcp
Cbuffer
VCP
Output Voltage
External Buffer Capacitor
Vbb > 15V
Vbb+10
Vbb+12.5
Vbb+15
V
Vbb > 8V
Vbb+5.8
220
470
V
nF
Cpump
CPP
CPN
External pump Capacitor
220
470
nF
Table 24: DC Parameters Charge Pump