U6815BM ATMEL Corporation, U6815BM Datasheet
U6815BM
Available stocks
Related parts for U6815BM
U6815BM Summary of contents
Page 1
... Daisy Chaining Possible • SO28 Power Package 1. Description The U6815BM is a fully protected driver interface designed in 0.8-µm BCDMOS tech- nology used to control different loads by a microcontroller in automotive and industrial applications. Each of the 6 high-side and 6 low-side drivers is capable to drive currents up to 600 mA ...
Page 2
... Input Register 24 CS Output Register INH Fault Detect 16 LS1 U6815BM 2 HS3 HS2 HS4 Fault Fault Fault Detect Detect Detect ...
Page 3
... High-side driver output 6 (see pin 2) 4545C–BCD–09/05 DI CLK CS GND GND GND U6815BM Lead frame HS4 LS4 VS GND GND GND = 2 MHz) max GND VCC INH LS1 HS1 GND VS LS3 HS3 HS2 LS2 U6815BM 3 ...
Page 4
... Programmable time delay for short circuit and overvoltage shutdown (short circuit shutdown delay 14 SCT high/low = 100 ms/12.5 ms, overvoltage shutdown delay high/low = 15 ms/3.5 ms Software inhibit; low = standby, high = normal operation 15 SI (data transfer is not affected by standby function because the digital part is still powered) U6815BM 4 LS2 HS2 LS3 HS3 LS4 HS4 ...
Page 5
... Inhibit: this bit is controlled by software (bit SI in input register) and hardware inhibit (pin 17). High = standby, low = normal operation Power supply fail: over- or undervoltage at pin VS detected Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 (HS3) (LS3) (HS2) (LS2) (HS1 (1) U6815BM Bit 1 Bit 0 (LS1) (SRR ...
Page 6
... SRR bit in the input register, the SCD bit is reset and the disabled outputs are enabled. 7.1 Inhibit There are two ways to inhibit the U6815BM: 1. Set bit SI in the input register to zero 2. Switch Pin 17 (INH both cases, all output stages are turned off but the serial interface stays active. The output stages can be activated again by bit pin 17 (INH) switched back to 5V ...
Page 7
... I 17 HS1 to HS6 T –40 to +150 j T –55 to +150 stg Symbol Value R 25 thJP R 65 thJA Min. Typ. Max. ( 4.5 5 5.5 –0.3 V –40 +150 U6815BM Unit °C °C Unit K/W K/W Unit ( VCC 2 MHz °C 7 ...
Page 8
... Thermal prewarning, reset Thermal prewarning hysteresis Thermal shutdown, off Thermal shutdown, on Thermal shutdown hysteresis Notes: 1. Only valid for version U6815BM-N. 2. Delay time between rising edge of CS after data transmission and switch-on output stages to 90% of final level. U6815BM 8 Test Conditions ISO 7637-1 VDE 0879 Part 2 MIL-STD-883D Method 3015 ...
Page 9
... Input voltage low level threshold Input voltage high level threshold Hysteresis of input voltage Pull-down current Notes: 1. Only valid for version U6815BM-N. 2. Delay time between rising edge of CS after data transmission and switch-on output stages to 90% of final level. 4545C–BCD–09/05 Test Conditions/Pins < V ...
Page 10
... Serial Interface - Logic Output (DO) Output voltage low level Output voltage high level Leakage current (tristate) Notes: 1. Only valid for version U6815BM-N. 2. Delay time between rising edge of CS after data transmission and switch-on output stages to 90% of final level. 13. Serial Interface – Timing Parameters Test Conditions ...
Page 11
... Figure 13-1. Serial Interface Timing Diagram with Chart Numbers CLK 3 DI CLK DO Inputs DI, CLK, CS: High level = 0.7 V Output DO: High level = 0.8 For chart numbers, see Table 4545C–BCD–09/ Low level = 0 Low level = 0.2 CC “Serial Interface – Timing” on page U6815BM 10. 11 ...
Page 12
... I Recommended value for capacitors at V Electrolythic capacitor C > 10 µF in parallel with a ceramic capacitor C = 100 nF. To reduce ther- mal resistance recommended to place cooling areas on the PCB as close as possible to the GND pins. U6815BM 12 HS2 HS1 HS3 HS4 ...
Page 13
... SO28 Tubed, Pb-free SO28 Taped and reeled, Pb-free 18.05 17.80 0.25 0.10 16. History Put datasheet in a new template Pb-free logo on page 1 added New heading rows on Table “Absolute Maximum Ratings” on page 7added Table “Ordering Information” on page 13 changed U6815BM 9.15 8.65 7.5 7.3 2.35 10.50 10.20 technical drawings according to DIN specifications 0.25 13 ...
Page 14
... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © Atmel Corporation 2005. All rights reserved. Atmel marks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. Atmel Operations Memory ...