lb11691 Sanyo Semiconductor Corporation, lb11691 Datasheet

lb11691

Manufacturer Part Number

lb11691

Description

Pre-driver Ic For Brushless Motor Drive In Electric Bicycles

Manufacturer

Sanyo Semiconductor Corporation

Datasheet

1.LB11691.pdf (21 pages)

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Ordering number : ENA0879

LB11691

Overview

Features

Specifications

Absolute Maximum Ratings at Ta = 25°C

Supply voltage 1

Supply voltage 2

Output current 1-1

Output current 2-1

Output current 2-2

RF pin application voltage

LVS pin application voltage

The LB11691 are three-phase bipolar PWM drive pre-driver ICs that allow the output circuits to be implemented using

only n-channel FETs. These ICs can implement, at low cost, high-efficiency drive circuits in applications that use motors

that require high drive currents. These ICs include a built-in Hall sensor signal F/V conversion circuit and can provide a

voltage that is proportional to motor speed for use, for example, in speedometers for electric bicycles. These ICs also

support use in applications that holds the speed controlled at a constant rate as the load varies.

• Three-phase bipolar PWM drive (high and low side n-channel FET drive)

• Maximum supply voltage : 45V

• Gate drive voltage : about 10V (high and low side n-channel FETs)

• Hall sensor signal F/V conversion circuit (one-shot multivibrator output)

• Synthesized three-phase Hall sensor signal output

• Built-in current limiter and undervoltage protection circuits

Parameter

"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,

Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to

communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be

intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace

instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety

equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case

of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee

thereof. If you should intend to use our products for applications outside the standard applications of our

customer who is considering such use and/or outside the scope of our intended standard applications, please

consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our

customer shall be solely responsible for the use.

Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate

the performance, characteristics, and functions of the described products in the independent state, and are not

guarantees of the performance, characteristics, and functions of the described products as mounted in the

customer

device, the customer should always evaluate and test devices mounted in the customer

equipment.

s products or equipment. To verify symptoms and states that cannot be evaluated in an independent

I O max2-1

I O max2-2

VLVS max

V CC max

VRF max

I O max1

VB max

Symbol

Monolithic digital IC

Pre-Driver IC for Brushless

Motor Drive in Electric Bicycles

V CC pin

VB pin

UL, VL, and WL pins

UH, VH, and WH pins sink current

UH, VH, and WH pins source current

Conditions

80807 MS PC B8-9096 No.A0879-1/21

Ratings

s products or

Continued on next page.

Unit

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