PIN CONNECTIONS
Table 1. 33937A Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin Description section beginning on page 20 .
Pin
Pin Name
Pin Function
Formal Name
Definition
45
PA_LS_G
Power Output Phase A Low Side Gate Gate Drive for output Phase A Low Side
Drive
46
PA_HS_S
Power Input
Phase A High Side
Source connection for Phase A High Side FET
Source
47
PA_HS_G
Power Output
Phase A High Side
Gate Drive for output Phase A High Side
Gate Drive
48
51
54
PA_BOOT
VLS
VPWR
EP
Analog Input
Analog Output
Power Input
Ground
Phase A Bootstrap
VLS Regulator
Voltage Power
Exposed Pad
Bootstrap capacitor for Phase A
VLS regulator output. Power supply for the gate drives
Power supply input for gate drives
Device will perform as specified with the exposed pad un-terminated
(floating) however, it is recommended that the exposed pad be terminated
to pin 29 (VSS) and system ground
33937A
Analog Integrated Circuit Device Data
Freescale Semiconductor
5
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