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Thermal Data
Description
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
*With minimized copper area.
Block Diagram
AM2168
Motor Driver ICs
Symbol
Rthjc
Rthja
Value
20
76
Unit
℃/W
℃/W
OUT 1A 1
OUT 2A 2
SENSE 2 3
2
COMP IN 2 4
OUT 2B 5
GROUND 6
VBB
1
24
LOAD
SUPPLY
23 SENSE 1
22 COMP IN 1
21
OUT 1B
20 I 01
19 GROUND
GROUND 7
18 GROUND
I 02 8
I 12 9
PHASE 2 10
PWM 2
θ2
VREF 2 11
PWM 1
θ1
17 I 11
16 PHASE 1
15 VREF 1
14 RC 1
RC 2 12
VCC
13
LOGIC
SUPPLY
AMtek semiconductors
-2-
Dec. 2004 V1.2