MPC18730EPR2 datasheet(4/35 Pages) FREESCALE

4 / 35 page

Analog Integrated Circuit Device Data

Freescale Semiconductor

18730

PIN CONNECTIONS

LVB

Input

Low Voltage Battery

VB Power Supply Connection for Ni_mh

HVB

Input

High Voltage Battery

VB Power Supply Connection for Li_ion

V_STDBY

Output

Standby Voltage

V_STDBY Voltage Output

VO1_SENSE

Input

Voltage Input 1

Switching Power Supply Circuit 1, VO1_SENSE Voltage Input,

VO1_SENSE Power Supply

VOUT1

Output

Voltage Output 1

Power Switch 1 Output

VIN1

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

PGOOD1

Output

Inverted Reset

Output 1

Reset Circuit 1 Reset Signal Output

PGOOD1_DELAY

Input

Reset Delay

Capacitor 1

Reset Circuit 1 Reset Signal Delaying Capacitor Connection

RESET1_TH

Output

Reset1 Adjustment

Switching Power Supply Circuit 1 Reset Voltage Reference Output

DMAX1

Power

Duty Control

Switching Power Supply Circuit 1 Maximum Duty Setting

EAOUT1

Output

Reference Feedback

Switching Power Supply Circuit 1 Error Amp Output

EAIN1

Input

Input Minus 1

Switching Power Supply Circuit 1 Error Amp Inverse Input

CH_PUMP

Power

Charge Pump

Capacitor

VGATE Power Supply Circuit Charge Pump Capacitor Connection

VGATE

Output

Gate Voltage

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

Supply

SWGATE

Power

Switching

VGATE Power Supply Circuit Coil Connection

GNDGATE

Ground

Power Ground 3

VGATE Power Supply Circuit Power GND

VBATT

Power

Battery Voltage

VB Power Supply Connection

VGATESEL2

Output

VGATE Select 2

VG Power Supply Circuit Output Voltage Setting 2

VGATESEL1

Output

VGATE Select 1

VGATE Power Supply Circuit Output Voltage Setting 1

EAIN2

Input

Input Minus

Switching Power Supply Circuit 2 Error Amp Inverting Input

EAOUT2

Output

Reference Feedback

Switching Power Supply Circuit 2 Error Amp Output

DMAX2

Power

Duty Control

Switching Power Supply Circuit 2 Maximum Duty Setting

PGOOD2_DELAY

Input

Reset Delay

Capacitor 1

Reset Circuit 2 Reset Signal Delay Capacitor Connection

PGOOD2

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

Table 1. MPC18730 Pin Definitions (continued)

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

Pin Number

Pin Name

Function

Formal Name

Definition

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