NJU7329ARB2-TE1 NJR, NJU7329ARB2-TE1 Datasheet

Motor / Motion / Ignition Controllers & Drivers Single Phase DC Brushless Mtr Drvr

NJU7329ARB2-TE1

Manufacturer Part Number
NJU7329ARB2-TE1
Description
Motor / Motion / Ignition Controllers & Drivers Single Phase DC Brushless Mtr Drvr
Manufacturer
NJR
Type
Single Phase DC Brushless Motor Driver ICr
Datasheet

Specifications of NJU7329ARB2-TE1

Operating Supply Voltage
7 V
Supply Current
4 mA
Mounting Style
SMD/SMT
Package / Case
TVSP-10
Operating Temperature
85 C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
driver IC for small fan-motor and high power applications. It
features MOS-FET driver circuit for better saturation
characteristics. Slew late of amplifiers and feedback
resistors are optimized to achieve low-noise motor
operation. The NJU7329B also includes. Frequency
generator (FG) output for various control needs.
GENERAL DESCRIPTION
FEATURES
BLOCK DIAGLAM
Operating Voltage
Internal Lock Detect / Auto Recovery Circuit
Internal Thermal Shutdown Circuit
FG Output
Low Operating Current I
Low Saturation Output Voltage
C-MOS Technology
Package Outline
The NJU7329B is a single-phase DC brushless motor
1
2
3
4
5
Single-phase DC Brushless Motor Driver IC
V
Vsat= 0.35V @Io= 350mA
TVSP10
Lock Detect
DD
R
TSD
=2.4 5.5V
F
DD
=3mA (Typ.)
R
F
10
9
8
7
6
PACKAGE OUTLINE
PIN FUNCTION
10: V
1: NC
2: OUT A
3: IN-
4: IN+
5: GND
6: NC
7: Ct
8: FG
9: OUT B
DD
NJU7329BRB2
NJU7329B
- 1 -

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NJU7329ARB2-TE1 Summary of contents

Page 1

Single-phase DC Brushless Motor Driver IC GENERAL DESCRIPTION The NJU7329B is a single-phase DC brushless motor driver IC for small fan-motor and high power applications. It features MOS-FET driver circuit for better saturation characteristics. Slew late of amplifiers and feedback ...

Page 2

NJU7329B ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Output Current (Peak) Operating Temperature Range Storage Temperature Range Power Dissipation RECOMMENDED OPERATING CONDITIONS V =2.4V 5.5V DD ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Operating Current I DD Input Offset Voltage V IO ...

Page 3

TIMING CHART IN+ IN- OUTA OUTB Ct FG NJU7329B - 3 - ...

Page 4

NJU7329B TYPICAL CHARACTERISTICS VDD-IDD IN-=VDD, IN+=0V, Ct=0V, VSS=0V 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 VDD[V] VDD-VOM(BTL)[AMPB=L] Iout=350mA, IN-=0V, IN+=VDD/2, Ct=0V, VSS=0V 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0 ...

Page 5

TYPICAL CHARACTERISTICS 1.5 1.3 1.1 0.9 0.7 0.5 0.3 5.00 4.95 4.90 4.85 4.80 4.75 4.70 4.65 4.60 4.55 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 VDD-ICHG IN-=VDD, IN+=0V, VSS=0V 2 2.5 3 3.5 4 4.5 ...

Page 6

NJU7329B TYPICAL CHARACTERISTICS 1600 1400 1200 1000 800 600 400 200 0 APPLICATION NOTE The NJU7329B is a single-phase DC brushless motor driver IC featuring CMOS process suitable for fan motor drivers for a small equipment such as ...

Page 7

Notes] Above application example is designed for 5V operation with motor current of 350mA. It uses the following components: Hall Elements: HW101A (AKE) 1. Selection of C1 and D1 used for a noise reduction purpose. A typical ...

Page 8

NJU7329B A typical value either 0.47uF or 1uF depending on a motor. Hall input Motor output Ct Terminal voltage 3. Design of hall element bias resistance (R1 and R2) Hall amplifier is a differential amplifier with hysteresis ...

Page 9

OUTPUT VOLTAGE vs OUTPUT CURRENT CHARASTERISTICS 0.5 VDD=5V Ta=25degC 0.4 0.3 0.2 0 100 0.5 VDD=5V Ta=25degC 0.4 0.3 0.2 0 100 NJU7329 Upper Output Voltage vs. Output Current 200 300 400 500 600 700 OUTPUT ...

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