Protection and Monitoring Circuitry
AssemblyAnalog control board detecting speaker short-circuit, overheating, DC offset, and commanding amplifier shutdown to prevent damage. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Protection and Monitoring Circuitry parts and their functions
5 top-level parts · 5 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Protection logic PCB |
| 2 | Current Sense Resistor | 1× | Precision current-sense shunt resistor per channel |
| 3 | Temperature Sensor | 1× | Thermistor or RTD temperature transducer |
| 4 | Comparator IC | 1× | Analog comparator ICs for threshold detection |
| 5 | Relay | 1× | Relay cutting amplifier enable signal on fault condition |
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Bill of materials for Protection and Monitoring Circuitry
5 top-level lines · 5 rows shown · 5 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Current Sense Resistor | pro-power-amplifier-current-sense | 1× | 1 | · | part |
| 3 | Temperature Sensor | pro-power-amplifier-thermal-sensor | 1× | 1 | · | part |
| 4 | Comparator IC | pro-power-amplifier-comparator-ic | 1× | 1 | · | part |
| 5 | Relay | relay | 1× | 1 | · | part |
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Where the protection and monitoring circuitry is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $3–$400. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳BOE
boe.com ↗
|
Beijing, CN | Display panels | 1,000 pcs | 6–10 wks |
|
🇨🇳Tianma
tianma.com ↗
|
Shenzhen, CN | Display panels | 1,000 pcs | 6–10 wks |
|
🇨🇳TCL CSOT
szcsot.com ↗
|
Shenzhen, CN | Display panels | 1,000 pcs | 6–10 wks |
| truly.net ↗ | Shanwei, CN | Displays & camera modules | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |