DA7282 datasheet(86/88 Pages) RENESAS

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DA7282

LRA/ERM Ultra-Low Power Haptic Driver with

Multiple Input Triggers and Integrated

Waveform Memory

Datasheet

Revision 3.1

10-Feb-2022

CFR0011-120-00

86 of 87

Revision History

Revision

Date

Description

3.1

10-Feb-2022

Updated logo, disclaimer, copyright.

3.0

30-Jul-2019

Final datasheet

Change details:

● Renamed EN to VDDIO/EN throughout the document to better describe the purpose of the pin

● Table 1: Added DA7283 details

● Section 2 Pinout

○ Formatting changes to merge tables and use space better

● Section 4.3 Electrical Characteristics

○ Table 8 Added parameter VDD_POR_FALL

● Sections 5.2.5, 5.2.7, 5.6.5.3 and Tables 56 and 57 in Section 6.2:

○ Corrected pin name errors (ADDR to GPI)

● Section 5.1 Features Description

○ Minor rewording to better describe part (also reflected on front page)

● Section 5.7.1: Frequency Tracking

○ Added sentences regarding use of SmartCanvas GUI to adjust Kp and Ki coefficients

○ Added sentence regarding checking stability of closed loop to step response when optimizing Kp and

Ki coefficients with FREQ_TRACK_AUTO_ADJ enabled

● Section 5.7.1.9: VDDIO/EN Pin Control

○ Clarified description

● Section 5.8: Waveform Memory

○ Added note recommending SmartCanvas GUI is used to construct and upload WM sequences

● Section 5.8.1: Waveform Memory Structure

○ Figure 26: Replaced Sequence 1 with Sequence 0 and clarification of explanation

● Section 5.8.2: Snippet Definition

○ Clarification of TIME and AMP definitions

○ Added note to explain snippet 0

● Section 5.8 3: Frame Definition

○ Clarified Byte 1 and Byte 2 definitions

○ Clarified SNP_ID_LOOP [3:0] definition

○ Added notes explaining updating of frequencies

● Section 5.8.4: Sequence Definition

○ Further clarification of sequences

○ Figure 30: Replaced Sequence 1 with Sequence 0

● Section 5.9.1: DRO Mode

○ Clarification of full range

● Section 5.9.3: RTWM and ETWM Modes

○ Clarification of full range

● Section 6: Register Overview

○ Reset values (and associated descriptions) updates for the following addresses: 0x00, 0x0A, 0x0B,

0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x2C, 0x46, 0x47, and 0x5F

● Section 7: Package Information

○ Updated both WLCSP and QFN package outline diagrams to rev E (only change is to title)

● Section 9: Application Information

DA7282 Datasheet(PDF) 86 Page - Renesas Technology Corp

DA7282 Datasheet(HTML) 86 Page - Renesas Technology Corp

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