I need push-pull outputs.  Thanks for the reply all the same.
David...

On 14/01/2017 10:21 AM, Nicola Perotto wrote:
> Hi David,
> maybe a MIC5891 will help.
>> The MIC5891 has open-emitter outputs with suppression
>> diodes for protection against inductive load transients. The
>> output transistors are capable of sourcing 500mA and will
>> sustain at least 35V in the on-state.
>> Simultaneous  operation  of  all  drivers  at  maximum  rated
>> current requires a reduction in duty cycle due to package
>> power limitations. Outputs may be paralleled for higher load
>> current capability.
>> The MIC5891 is available in a 16-pin plastic DIP package
>> (N) and 16-pin wide SOIC package (WM).
>           Nicola
>
>
> On 13/01/2017 23:26, David Duffy (AVD) wrote:
>> I have an idea for a project that needs to drive 8 outputs for (remotely
>> mounted) 2-pin bi-colour LEDs.
>>
>> Since the LEDs are 2-pin, I'll need to reverse the polarity on them
>> individually. There may be 1 or 2 LEDs on each output, so if they were
>> in series that means I need a swing of more than 5V.
>>
>> I was thinking of two shift registers arranged as 8 H-bridges, but can't
>> seem to find any that have a Vdd of more than 5V and have an output
>> current of more than a couple of mA.
>>
>> There are H-bridges out there, but the cost and space adds up pretty
>> quickly for 8 outputs.  Ideally I'd like nothing finer pitch than a SOIC
>> package.
>>
>> Any ideas?


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David Duffy        Audio Visual Devices P/L
Unit 8, 10 Hook St, Capalaba 4157 Australia
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Our Web Site: www.audiovisualdevices.com.au
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