MPC18730EPSLASHR2 datasheet(4/38 Pages) FREESCALE

4 / 38 page

Analog Integrated Circuit Device Data

Freescale Semiconductor

18730

TERMINAL CONNECTIONS

VO1

Input

Voltage Input 1

Switching Power Supply Circuit 1, VO1 Voltage Input, VO1 Power Supply

VCC1

Output

Voltage Output 1

Power Switch 1 Output

VI1

Output

Voltage Output 1

Switching Power Supply Circuit 1 Output

SW1

Power

Switching 1

Switching Power Supply Circuit 1 Coil Connection

SW1

Power

Switching 1

Switching Power Supply Circuit 1 Coil Connection

PGND1

Ground

Power Ground 1

Switching Power Supply Circuit 1 Power GND

PGND1

Ground

Power Ground 1

Switching Power Supply Circuit 1 Power GND

RSTO1B

Output

Inverted Reset

Output 1

Reset Circuit 1 Reset Signal Output

CRST1

Input

Reset Delay

Capacitor 1

Reset Circuit 1 Reset Signal Delaying Capacitor Connection

RST1ADJ

Output

Reset1 Adjustment

Switching Power Supply Circuit 1 Reset Voltage Reference Output

DTC1

Power

Duty Control

Switching Power Supply Circuit 1 Maximum Duty Setting

RF1

Output

Reference Feedback 1 Switching Power Supply Circuit 1 Error Amp Output

INM1

Input

Input Minus 1

Switching Power Supply Circuit 1 Error Amp Inverse Input

C1L

Power

Charge Pump

Capacitor

VG Power Supply Circuit Charge Pump Capacitor Connection

Output

Gate Voltage

VG Power Supply Circuit Voltage Output, Pre-Diver Circuit Power Supply

SWG

Power

Switching

VG Power Supply Circuit Coil Connection

PGND3

Ground

Power Ground 3

VG Power Supply Circuit Power GND

Power

Battery Voltage

VB Power Supply Connection

VGSEL2

Output

VG Select 2

VG Power Supply Circuit Output Voltage Setting 2

VGSEL1

Output

VG Select 1

VG Power Supply Circuit Output Voltage Setting 1

INM2

Input

Input Minus

Switching Power Supply Circuit 2 Error Amp Inverting Input

RF2

Output

Reference Feedback 2 Switching Power Supply Circuit 2 Error Amp Output

DTC2

Power

Duty Control

Switching Power Supply Circuit 2 Maximum Duty Setting

CRST2

Input

Reset Delay

Capacitor 1

Reset Circuit 2 Reset Signal Delay Capacitor Connection

RSTO2B

Output

Inverted Reset

Output 2

Reset Circuit 2 Reset Signal Output

PGND2

Ground

Power Ground 2

Switching Power Supply Circuit 2 Power GND

PGND2

Ground

Power Ground 2

Switching Power Supply Circuit 2 Power GND

SW2

Power

Switching

Switching Power Supply Circuit 2 Coil Connection

SW2

Power

Switching

Switching Power Supply Circuit 2 Coil Connection

VI2

Output

Voltage Output

Switching Power Supply Circuit 2 Output

VCC2

Output

Voltage Output

Power Switch 2 Output

VO2IN

Input

Voltage Input

Power Switch 2 Voltage Input

VO2

Input

Voltage Input

Switching Power Supply Circuit 2 VO2 Voltage Input

Table 1. MPC18730 Terminal Definitions (continued)

A functional description of each terminal can be found in the Functional Terminal Description section beginning on page 14.

Terminal

Number

Terminal

Name

Terminal

Function

Formal Name

Definition

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