Editing Talk:Regulators

{{wikify}}
==JSD-001 motherboard==
All the components listed are controlled by [[Syscon_Hardware|Syscon]] and connected to it by a pin/trace either directlly or indirectlly, the traces are hidden in internal layers of the motherboard

By looking at the first syscon model used by the PS3 [[CXR713120-201GB]] where we know the names of the pin signals it seems these syscon control lines for voltage regulators could be the syscon pins named SW_x or SW_x_x (switches, used as a generic name for slave components that only has 2 states)

==== Mitsumi 463A (voltage regulator) ====
<div style="float:right">[[File:Mitsumi 463A.jpg|200px|thumb|left|Mitsumi voltage regulator 463A<br />Seen on a JSD-001 motherboard]]</div>

{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;" 
|- bgcolor="#cccccc"
! Pin # !! Name !! Description
|-
| 1 || {{cellcolors|#ff0000}} VCC/5V_EVER || From power supply 5v standby rail (pin 1 of connector CN101)
|-
| 2 || {{cellcolors|#ffcc22}} OUT/3.3V_EVER_B || 3.3v_standby_rail_2
|-
| 3 || {{cellcolors|#33cc33|#ffffff}} EN ? || Goes under package to the black 100 ohm resistor at its right, and from there to syscon pin26@[[SW2-303]]
|-
| 4 || ? || Goes under package to squared testpad/sinkhole at its right (not connected ?)
|-
| 5 || ? || Capacitor to ground
|-
| 6 || ? || To squared testpad/sinkhole at its top (not connected ?)
|-
| 7 || {{cellcolors|#000000|#aaaaaa}} GND || Ground
|-
| 8 || {{cellcolors|#ffcc22}} OUT/3.3V_EVER_A || 3.3v_standby_rail_1
|-
|}
{{clear}}

==== Mitsumi 348A (voltage regulator) ====
<div style="float:right">[[File:Mitsumi 348A.jpg|200px|thumb|left|Mitsumi voltage regulator 348A<br />Seen on a JSD-001 motherboard]]</div>

{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;" 
|- bgcolor="#cccccc"
! Pin # !! Name !! Description
|-
| 1 || ? || Not connected ?
|-
| 2 || {{cellcolors|#33cc33|#ffffff}} EN_HDMI ? || Connected to syscon pin118@[[SW2-303]]
|-
| 3 || {{cellcolors|#000000|#aaaaaa}} GND || Ground
|-
| 4 || {{cellcolors|#ffcc22}} OUT1/HDMI ? || output voltage rail 1 ?. Connected to pin 100 (and other 10 pins more) of HDMI controller. It has a testpad at the other side
|-
| 5 || {{cellcolors|#ffcc22}} OUT2/AV ? || output voltage rail 2 for A/V controller and optical ? (not tested). It has a testpad at the other side
|-
| 6 || {{cellcolors|#000000|#aaaaaa}} GND || Ground
|-
| 7 || {{cellcolors|#33cc33|#ffffff}} EN_AV ? || Connected to syscon pin119@[[SW2-303]]
|-
| 8 || {{cellcolors|#ff0000}} VCC/5V_EVER || From power supply 5v standby rail (pin 1 of connector CN101)
|-
|}
{{clear}}

==== Mitsumi 040 810X (close to RSX) ====

{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;" 
|- bgcolor="#cccccc"
! Pin # !! Name !! Description
|-
| 1 || ? || connected to 4x sinkholes (it has a testpad at the other side)
|-
| 2 || ? || hidden under package
|-
| 3 || {{cellcolors|#000000|#aaaaaa}} GND || Ground
|-
| 4 || ? || 
|-
| 5 || {{cellcolors|#33cc33|#ffffff}} EN ? || Connected to syscon pin75@[[SW2-303]]
|-
| 6 || ? || hidden under package
|-
| 7 || ? || hidden under package
|-
| 8 || ? || connected to 2x sinkholes
|-
|}
{{clear}}

====D35653 0S25====
Next to NOR, on top of the board JSD-001, responsible of the NOR VCC

{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;" 
|- bgcolor="#cccccc"
! Pin # !! Name !! Description
|-
| 1 || {{cellcolors|#ffcc22}} OUT/NOR ? || capacitor and 180 ohm resistor to ground... then to 4 sinkholes and at the other side NOR VCC 3.3v (testpoint)
|-
| 2 || {{cellcolors|#000000|#aaaaaa}} GND || 
|-
| 3 || {{cellcolors|#000000|#aaaaaa}} GND || 
|-
| 4 || ? || Capacitor to ground
|-
| 5 || {{cellcolors|#33cc33|#ffffff}} EN ? || Connected to pin50@[[SW2-303]]
|-
| 6 || {{cellcolors|#000000|#aaaaaa}} GND || 
|-
| 7 || {{cellcolors|#000000|#aaaaaa}} GND || 
|-
| 8 || {{cellcolors|#ff0000}} VCC ? || To fuse/thermistor [[Talk:Protection | TH7601]]
|-
|}

==== BD9684 0906 ====
<!-- BluRay ? -->

{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;" 
|- bgcolor="#cccccc"
! Pin # !! Name !! Description
|-
| 1 || ? || sealed coil... then to 8 sinkholes... to BD controller, etc...
|-
| 2 || ? || dissapears under package
|-
| 3 || {{cellcolors|#ff0000}} VCC ? || 0.400mf capacitor to ground, and to fuse/thermistor [[Talk:Protection | TH7601]]
|-
| 4 || {{cellcolors|#33cc33|#ffffff}} EN ? || to a sinkhole... at the other side 3.3K resistor to ground, then connected to pins 2 and 3 of a dual transistor (base of TR1, and collector of TR2)<br>pin 5 of the dual transistor (base of TR2) is connected to a long trace that dies in a sinkhole and emerges under syscon, connected to pin42@[[SW2-303]]<br>the emitter pins of the dual transistor (1 and 4) are connected to a common ground
|-
| 5 || {{cellcolors|#000000|#aaaaaa}} GND || 
|-
| 6 || {{cellcolors|#000000|#aaaaaa}} GND || 
|-
| 7 || || dissapears under package
|-
| 8 || {{cellcolors|#ff0000}} VCC ? || 0.400mf capacitor to ground, and to fuse/thermistor [[Talk:Protection | TH7601]]
|-
| 9 || ? || dissapears under package
|-
| 10 || ? || sealed coil... then tied to pin 11
|-
| 11 || ? || to 6 sinkholes... at the other side to unpopulated service connector... etc...
|-
| 12 || rowspan="2" | ? || rowspan="2" | Capacitor to ground, to a 4x-sinkhole... then to BD controller
|-
| 13
|-
| 14 || {{cellcolors|#000000|#aaaaaa}} GND || 
|-
| 15 || ? || to a sinkhole... at the other side to BD controller
|-
| 16 || ? || dissapears under package
|-
| 17 || {{cellcolors|#ff0000}} VCC ? || 0.400mf capacitor to ground, and to fuse/thermistor [[Talk:Protection | TH7601]]
|-
| 18 || ? || towards blu ray laser connector
|-
| 19 || ? || tied to pin 1
|-
| 20 || ? || to a sinkhole... then to pin 6 of the same dual transistor (collector of TR1)
|-
|}

====Rohm BD3525====
<!-- SouthBridge ? -->

{| class="wikitable"
|+BD3525 pinout
! Pin # !! Name !! Description !! Connections
|-
| 1 || rowspan="5" {{cellcolors|#ffcc22}} OUT || rowspan="5" | Output voltage || rowspan="5" | To 4 sinkholes... at the other side to electrolitic capacitor 2.5v 330... and to ???
|-
| 2
|-
| 3
|-
| 4
|-
| 5
|-
| 6 || {{cellcolors|#ffcc22}} VOS || Output voltage control || Shorten with OUT pins
|-
| 7 || {{cellcolors|#ffcc22|#ff0000}} FB || Reference voltage feedback || Diode to ground, and capacitor to ground, and diode to 55.8 ohm resistor to OUT pins
|-
| 8 || {{cellcolors|#11bbee}} NRCS || Non Rush Current on Start-up || Capacitor to ground
|-
| 9 || {{cellcolors|#000000|#aaaaaa}} GND || Ground || 
|-
| 10 || {{cellcolors|#000000|#aaaaaa}} GND || Ground || 
|-
| 11 || {{cellcolors|#ff0000}} VCC || Power supply || To fuse/thermistor [[Talk:Protection | TH7601]]
|-
| 12 || {{cellcolors|#33cc33|#ffffff}} EN || Enable input || 46Kohm resistor to ground, and a trace that dissapears in a sinkhole and emerges near syscon, connected to pin52@[[SW2-303]]
|-
| 13 || {{cellcolors|#11bbee}} SCP || Short Circuit Protection delay  time  setting || Capacitor to ground
|-
| 14 || {{cellcolors|#ff8822}} VD || Input voltage detect || Shorten with IN pins
|-
| 15 || rowspan="6" {{cellcolors|#ff8822}} IN || rowspan="6" |  Input voltage || rowspan="6" |  0.400mf capacitor to ground, to 4 sinkholes connected to BD3527 (near usb) pins 14 up to 20 and BD3527 (near flash) pins 14 up to 20... and to ???
|-
| 16
|-
| 17
|-
| 18
|-
| 19
|-
| 20
|}

====Rohm BD3527====
There are 2 BD3527 on JSD-001 motherboard, one is located near flash and the other near usb connectors

<!-- for GDDR3 RAM chips ? (4x64MB)... and each BD3527 powers 2 RAM chips ?)-->

{| class="wikitable"
|+BD3527 (near flash) pinout
! Pin # !! Name !! Description !! Connections
|-
| 1 || rowspan="5" {{cellcolors|#ffcc22}} OUT ? || rowspan="5" | Output voltage ? || rowspan="5" | to 3 smd components to gnd, to electrolitic capacitor 2.5v 330, to 3 sinkholes with a testpoint at the other side
|-
| 2
|-
| 3
|-
| 4
|-
| 5
|-
| 6 || {{cellcolors|#ffcc22}} VOS ? || Output voltage control ? || Shorten with OUT pins
|-
| 7 || {{cellcolors|#ffcc22|#ff0000}} FB ? || Reference voltage feedback ? || Capacitor and 1600 ohm resistor to OUT pins
|-
| 8 || {{cellcolors|#11bbee}} NRCS ? || Non Rush Current on Start-up ? || Capacitor? to ground
|-
| 9 || {{cellcolors|#000000|#aaaaaa}} GND || Ground || 
|-
| 10 || {{cellcolors|#000000|#aaaaaa}} GND || Ground || 
|-
| 11 || {{cellcolors|#ff0000}} VCC ? || Power supply ? || To fuse/thermistor [[Talk:Protection | TH7601]]
|-
| 12 || {{cellcolors|#33cc33|#ffffff}} EN ? || Enable input ? || dissapears in a sinkhole (resistor 23Kohm to ground in the other side) and emerges near syscon, connected to pin95@[[SW2-303]]
|-
| 13 || {{cellcolors|#11bbee}} SCP ? || Short Circuit Protection delay  time  setting ? || dissapears in a sinkhole (capacitor 915nf to ground in the other side)
|-
| 14 || {{cellcolors|#ff8822}} VD ? || Input voltage detect ? || Shorten with IN pins
|-
| 15 || rowspan="6" {{cellcolors|#ff8822}} IN ? || rowspan="6" |  Input voltage ? || rowspan="6" |  to 3 sinkholes missing at the other side, to 4 sinkholes connected to BD3525 pins 14 up to 20... and to ???
|-
| 16
|-
| 17
|-
| 18
|-
| 19
|-
| 20
|}

{| class="wikitable"
|+BD3527 (near USB) pinout
! Pin # !! Name !! Description !! Connections
|-
| 1 || rowspan="5" {{cellcolors|#ffcc22}} OUT ? || rowspan="5" | Output voltage ? || rowspan="5" | 88 ohm resistor to ground, to a testpoint, to 4 sinkholes and to the other side to electrolitic capacitor 2.5v 330 ('''very close to a ram chip''')
|-
| 2
|-
| 3
|-
| 4
|-
| 5
|-
| 6 || {{cellcolors|#ffcc22}} VOS ? || Output voltage control ? || Shorten with OUT pins
|-
| 7 || {{cellcolors|#ffcc22|#ff0000}} FB ? || Reference voltage feedback ? || capacitor and 1600 ohm resistor to OUT pins
|-
| 8 || {{cellcolors|#11bbee}} NRCS ? || Non Rush Current on Start-up ? || Capacitor? to ground
|-
| 9 || {{cellcolors|#000000|#aaaaaa}} GND || Ground || 
|-
| 10 || {{cellcolors|#000000|#aaaaaa}} GND || Ground || 
|-
| 11 || {{cellcolors|#ff0000}} VCC ? || Power supply ? || To fuse/thermistor [[Talk:Protection | TH7601]]
|-
| 12 || {{cellcolors|#33cc33|#ffffff}} EN ? || Enable input ? || 42k ohm resistor to ground, and to a sinkhole that dissapears in the other side and emerges near syscon, connected to pin92@[[SW2-303]]
|-
| 13 || {{cellcolors|#11bbee}} SCP ? || Short Circuit Protection delay  time  setting ? || 1000nf capacitor to ground
|-
| 14 || {{cellcolors|#ff8822}} VD ? || Input voltage detect ? || Shorten with IN pins
|-
| 15 || rowspan="6" {{cellcolors|#ff8822}} IN ? || rowspan="6" |  Input voltage ? || rowspan="6" |  capacitor to ground, to 4 sinkholes missing in the other side, connected to BD3525 pins 14 up to 20 ... and to ???
|-
| 16
|-
| 17
|-
| 18
|-
| 19
|-
| 20
|}