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The L6472 device, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping. It integrates a dual low RDS(on)DMOS full bridge with all of the power switches equipped with an accurate on-chip current sensing circuitry suitable for non dissipative current control and overcurrent protection. Thanks to a new current control, a 1/16 microstepping is achieved through an adaptive decay mode which outperforms traditional implementations. The digital control core can generate user defined motion profiles with acceleration, deceleration, speed or target position, easily programmed through a dedicated register set.
All application commands and data registers, including those used to set analog values (i.e.: current control value, current protection trip point, deadtime, etc.) are sent through a standard 5-Mbit/s SPI.
A very rich set of protections (thermal, low bus voltage, overcurrent) makes the L6472 device “bullet proof”, as required by the most demanding motor control applications.主な特徴
- Operating voltage: 8 - 45 V
- 7.0 A output peak current (3.0 A r.m.s.)
- Low RDS(on)power MOSFETs
- Programmable speed profile
- Programmable power MOSFET slew rate
- Up to 1/16 microstepping
- Predictive current control with adaptive decay
- Non dissipative current sensing
- SPI interface
- Low quiescent and standby currents
- Programmable non dissipative overcurrent protection on all power MOSFETs
- Two levels of overtemperature protection
回路ダイアグラム
サンプル & 購入
| 製品型番 | 製品ステータス | Quantity | 概算価格（USS） | パッケージ | 梱包タイプ | 温度（℃） | ECCN (US) | Country of Origin | 詳細情報 | 販売代理店からオーダー | STからオーダー | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| L6472HTR | Active | 1000 | 2.671 | HTSSOP28 | Tape And Reel | -40 | 150 | EAR99 | MALAYSIA | 在庫チェック | サンプル入手 | |
| L6472PD | Active | 1000 | 3.093 | PowerSO 36 | Tube | -40 | 150 | EAR99 | MALAYSIA | 在庫チェック | 購入 | |
| L6472PDTR | Active | 1000 | 3.093 | PowerSO 36 | Tape And Reel | -40 | 150 | EAR99 | MALAYSIA | 在庫チェック | サンプル入手 | |
| L6472H | Active | 1000 | 2.671 | HTSSOP28 | Tube | -40 | 150 | EAR99 | MALAYSIA | 在庫チェック | 購入 | |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
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Picture 製品型番 製造元 概要 EVAL6472H -- Fully integrated stepper motor driver based on the L6472 
EVAL6472H-DISC -- L6472 Discovery: development tool to explore L6472 motor driver 
EVAL6472PD -- Fully integrated stepper motor driver mounting the L6472 in a high power PowerSO package 
STEVAL-PCC009V2 -- IBU Motor Control & IPS universal interface 製品型番Fully integrated stepper motor driver based on the L6472
L6472 Discovery: development tool to explore L6472 motor driver
Fully integrated stepper motor driver mounting the L6472 in a high power PowerSO package
IBU Motor Control & IPS universal interface
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| 製品型番 | 製品ステータス | パッケージ | グレード | RoHSコンプライアンスグレード | 材料宣誓書** |
|---|---|---|---|---|---|
| L6472H | Active | HTSSOP28 | Industrial | Ecopack2 | |
| L6472HTR | Active | HTSSOP28 | Industrial | Ecopack2 | |
| L6472PD | Active | PowerSO 36 | Industrial | Ecopack2 (**) | |
| L6472PDTR | Active | PowerSO 36 | Industrial | Ecopack2 (**) |
(**) st.comで提供している材料宣誓書は、パッケージ･ファミリ内で最も一般的に使用されているパッケージに基づく汎用ドキュメントの場合があります。そのため、特定の製品では100%正確ではない可能性があります。特定の製品情報については、セールスサポートまでお問い合わせください
