SX6812xM Series
Contents
Description ------------------------------------------------------------------------------------------------------ 1
Contents --------------------------------------------------------------------------------------------------------- 2
1. Absolute Maximum Ratings----------------------------------------------------------------------------- 4
2. Recommended Operating Conditions ----------------------------------------------------------------- 5
3. Electrical Characteristics -------------------------------------------------------------------------------- 6
3.1 Characteristics of Control Parts------------------------------------------------------------------ 6
3.2 Transistor Characteristics ------------------------------------------------------------------------- 8
3.2.1 SX68126M -------------------------------------------------------------------------------------- 8
3.2.2 SX68127M -------------------------------------------------------------------------------------- 9
3.2.3 SX68128M -------------------------------------------------------------------------------------- 9
3.3 Bootstrap Diode Characteristics --------------------------------------------------------------- 10
3.4 Thermal Resistance Characteristics ----------------------------------------------------------- 10
4. Mechanical Characteristics --------------------------------------------------------------------------- 11
5. Block Diagram ------------------------------------------------------------------------------------------- 11
6. Pin Configuration Definitions------------------------------------------------------------------------- 12
7. Typical Applications ------------------------------------------------------------------------------------ 13
8. Physical Dimensions ------------------------------------------------------------------------------------ 15
9. Marking Diagram --------------------------------------------------------------------------------------- 16
10. Functional Descriptions -------------------------------------------------------------------------------- 17
10.1 Pin Descriptions ----------------------------------------------------------------------------------- 17
10.1.1 VCC1 and VCC2 ---------------------------------------------------------------------------- 17
10.1.2 OSCR ------------------------------------------------------------------------------------------ 17
10.1.3 HUP, HVP, and HWP; HUN, HVN, and HWN --------------------------------------- 17
10.1.4 COM ------------------------------------------------------------------------------------------- 18
10.1.5 VREG ------------------------------------------------------------------------------------------ 18
10.1.6 MLP -------------------------------------------------------------------------------------------- 18
10.1.7 FO ---------------------------------------------------------------------------------------------- 18
10.1.8 CW/CCW ------------------------------------------------------------------------------------- 18
10.1.9 LA ---------------------------------------------------------------------------------------------- 19
10.1.10 FG ---------------------------------------------------------------------------------------------- 19
10.1.11 VSP--------------------------------------------------------------------------------------------- 19
10.1.12 OCP -------------------------------------------------------------------------------------------- 19
10.1.13 VBB -------------------------------------------------------------------------------------------- 19
10.1.14 VB1, VB2, and VB3 ------------------------------------------------------------------------- 19
10.1.15 U, V1, V2, W1, and W2 -------------------------------------------------------------------- 20
10.1.16 LS1, LS2, and LS3 -------------------------------------------------------------------------- 20
10.2 Startup Operation --------------------------------------------------------------------------------- 20
10.3 Charging of Bootstrap Capacitors ------------------------------------------------------------- 21
10.4 Motor Speed Control ----------------------------------------------------------------------------- 21
10.5 Phase Advance Function ------------------------------------------------------------------------- 22
10.6 Fault Signal Output ------------------------------------------------------------------------------- 27
10.7 Protection Functions ------------------------------------------------------------------------------ 27
10.7.1 VREG Pin Undervoltage Lockout (UVLO_VREG) ---------------------------------- 27
10.7.2 Undervoltage Lockout for Power Supplies (UVLO)---------------------------------- 27
10.7.3 Overcurrent Limit (OCL) and Overcurrent Protection (OCP) -------------------- 27
10.7.4 Thermal Shutdown (TSD) ----------------------------------------------------------------- 28
10.7.5 Motor Lock Protection (MLP) ------------------------------------------------------------ 28
10.7.6 Reverse Rotation Detection---------------------------------------------------------------- 28
10.7.7 Hall Signal Abnormality Detection ------------------------------------------------------ 29
SX6812xM-DSE Rev.3.3
SANKEN ELECTRIC CO., LTD.
2
Mar. 25, 2021
https://www.sanken-ele.co.jp/en
© SANKEN ELECTRIC CO., LTD. 2019
