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PDF T6816 Data sheet ( Hoja de datos )
| Número de pieza | T6816 | |
| Descripción | Dual Hex Output Driver | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• Six High-side and Six Low-side Drivers
• Outputs Freely Configurable as Switch, Half Bridge or H-bridge
• Capable to Switch all Kinds of Loads such as DC Motors, Bulbs, Resistors, Capacitors
and Inductors
• 0.6A Continuous Current per Switch
• Low-side: RDSon < 1.5Ω versus Total Temperature Range
• High-side: RDSon < 2.0Ω versus Total Temperature Range
• Very Low Quiescent Current Is < 20 µA in Standby Mode
• Outputs Short-circuit Protected
• Overtemperature Prewarning and Protection
• Undervoltage Protection
• Various Diagnosis Functions such as Shorted Output, Open Load, Overtemperature
and Power Supply Fail
• Serial Data Interface
• Operation Voltage up to 40V
• Daisy Chaining Possible
• SO28 Power Package
40-V Dual Hex
Output Driver
with Serial Input
Control
T6816
1. Description
The T6816 is a fully protected driver interface designed in 0.8 µm BCDMOS technol-
ogy. It is especially suitable for truck or bus applicawtwiow.DnastaShaeent4Ud.cotmhe industrial 24-V
supply. It controls up to 12 different loads via a 16-bit dataword.
Each of the six high-side and six low-side drivers is capable to drive currents up to
600 mA. The drivers are freely configurable and can be controlled separately from a
standard serial data interface. Therefore, all kinds of loads such as bulbs, resistors,
capacitors and inductors can be combined. The IC is also designed to easily build
H-bridges to drive DC motors in motion-control applications.
Protection is guaranteed in terms of short-circuit conditions, overtemperature and
undervoltage. Various diagnosis functions and a very low quiescent current in standby
mode open a wide range of applications.
Automotive qualification referring to conducted interferences, EMC protection and
2 kV ESD protection gives added value and enhanced quality for the exacting require-
ments of automotive applications.
Rev. 4595E–BCD–09/05
1 page  
T6816
Table 3-2. Output Data Protocol
Output (Status)
Bit Register Function
0
TP
Temperature prewarning: high = warning
(overtemperature shutdown see remark below)
Normal operation: high = output is on, low = output is off
1 Status LS1 Open-load detection: high = open load, low = no open load
(correct load condition is detected if the corresponding output is switched off)
Normal operation: high = output is on, low = output is off
2 Status HS1 Open-load detection: high = open load, low = no open load
(correct load condition is detected if the corresponding output is switched off)
3 Status LS2 Description see LS1
4 Status HS2 Description see HS1
5 Status LS3 Description see LS1
6 Status HS3 Description see HS1
7 Status LS4 Description see LS1
8 Status HS4 Description see HS1
9 Status LS5 Description see LS1
10 Status HS5 Description see HS1
11 Status LS6 Description see LS1
12 Status HS6 Description see HS1
13
SCD
Short circuit detected: set high, when at least one output is switched off by a
short circuit condition
14
INH
Inhibit: this bit is controlled by software (bit SI in input register) and hardware
inhibit (pin 17). High = standby, low = normal operation
15 PSF Power supply fail: undervoltage at pin VS detected
Note: Bit 0 to 15 = high: overtemperature shutdown
Table 3-3. Status of the Input Register after Power on Reset
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7
(SI) (SCT) (OLD) (HS6) (LS6) (HS5) (LS5) (HS4) (LS4)
HH H
L L L L LL
Bit 6
(HS3)
L
Bit 5
(LS3)
L
Bit 4
(HS2)
L
Bit 3
(LS2)
L
Bit 2
(HS1)
L
Bit 1
(LS1)
L
Bit 0
(SRR)
L
4595E–BCD–09/05
5
5 Page 
9. Serial Interface - Timing
Parameters
DO enable after CS falling edge
DO disable after CS rising edge
DO fall time
DO rise time
DO valid time
CS setup time
CS setup time
CS high time
CS high time
CLK high time
CLK low time
CLK period time
CLK setup time
CLK setup time
DI setup time
DI hold time
Test Conditions
CDO = 100 pF
CDO = 100 pF
CDO = 100 pF
CDO = 100 pF
CDO = 100 pF
Input register bit 14
(SCT) = high
Input register bit 14
(SCT) = low
T6816
Timing Chart No.
1
2
–
–
10
4
8
9
9
5
6
–
7
3
11
12
Symbol
tENDO
tDISDO
tDOf
tDOr
tDOVal
tCSSethl
tCSSetlh
tCSh
tCSh
tCLKh
tCLKl
tCLKp
tCLKSethl
tCLKSetlh
tDIset
tDIHold
Min.
225
225
16
2
225
225
500
225
225
40
40
Typ.
Max.
200
200
100
100
200
Unit
ns
ns
ns
ns
ns
ns
ns
ms
ms
ns
ns
ns
ns
ns
ns
ns
4595E–BCD–09/05
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet T6816.PDF ] | |
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