SA56202 Datasheet, PDF (24/24 Pages) NXP Semiconductors – One-chip motor driver

Philips Semiconductors
19. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
7
Functional description . . . . . . . . . . . . . . . . . . . 6
7.1
Spindle motor control . . . . . . . . . . . . . . . . . . . . 6
7.2
Internal regeneration of back-EMF spindle
motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
7.3
Sine generation using 3-phase PWM signals . . 8
7.4
Programming R_LIM . . . . . . . . . . . . . . . . . . . . . . 9
7.5
Programming R_EMF . . . . . . . . . . . . . . . . . . . . . 10
7.6
FG generator . . . . . . . . . . . . . . . . . . . . . . . . . 10
7.7
Sled motor driver . . . . . . . . . . . . . . . . . . . . . . 11
7.8
Loading motor driver. . . . . . . . . . . . . . . . . . . . 12
7.9
Actuator motor drivers . . . . . . . . . . . . . . . . . . 12
7.10
Charge pump . . . . . . . . . . . . . . . . . . . . . . . . . 12
7.11
Thermal protection . . . . . . . . . . . . . . . . . . . . . 12
7.12
Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.13
Muting functions . . . . . . . . . . . . . . . . . . . . . . . 13
8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 13
9
Thermal characteristics. . . . . . . . . . . . . . . . . . 14
10
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 15
11
Application information. . . . . . . . . . . . . . . . . . 17
12
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 18
13
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
13.1
Introduction to soldering surface mount
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
13.2
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 19
13.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 19
13.4
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 20
13.5
Package related soldering information . . . . . . 20
14
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 22
15
Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 23
16
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
17
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
18
Contact information . . . . . . . . . . . . . . . . . . . . 23
SA56202
One-chip motor driver
© Koninklijke Philips Electronics N.V. 2004
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner. The information presented in this document does
not form part of any quotation or contract, is believed to be accurate and reliable and may
be changed without notice. No liability will be accepted by the publisher for any
consequence of its use. Publication thereof does not convey nor imply any license under
patent- or other industrial or intellectual property rights.
Date of release: 19 July 2004
Document order number: 9397 750 12772
Published in The Netherlands