component
ADM1177-1ARMZ-R7
Public Made by Adomby adom
Analog Devices Pre-ordered Chips, MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownADM1177-1ARMZ-R7
Analog Devices · Pre-ordered Chips · MSOP-10
ADM1177-1ARMZ-R7 from Analog Devices, in a MSOP-10. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VCC | power_in | Positive supply input with an operating range of 3.15 V to 16.5 V, and an undervoltage lockout resets the device when the supply is low. |
| 2 | SENSE | input | Current sense input where the sense resistor between VCC and SENSE sets the analog current limit, and the hot swap loop keeps VCC − VSENSE at or below 100 mV. |
| 3 | ON | input | Active-high undervoltage input with a 1.3 V trip threshold that enables hot swap operation, and can be set to a specific VCC voltage with an external divider from VCC to GND. |
| 4 | GND | power_in | Chip ground pin. |
| 5 | TIMER | passive | External capacitor pin that sets a 270 ms/µF initial timing cycle delay and a 21.7 ms/µF fault delay, and the GATE pin turns off when TIMER is pulled beyond its upper threshold. |
| 6 | SCL | input | I2C clock pin that is an open-drain input requiring an external resistive pull-up. |
| 7 | SDA | bidirectional | I2C open-drain data input/output pin that requires an external resistive pull-up. |
| 8 | ADR | input | I2C address pin that can be tied low, tied high, left floating, or tied low through a resistor to set four different I2C addresses. |
| 9 | SS | passive | Soft start pin where a 10 µA current source charges the pin at startup to set the initial current ramp slope, and driving the pin to a voltage alters the current limit reference with a gain of 10. |
| 10 | GATE | output | High-side gate drive output for an external N-channel FET, using a charge pump with a 12.5 µA pull-up current and regulating the sense resistor voltage to a maximum of 100 mV. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | MSOP-10 |
| Category | Interface ICs |
| Pins | 10 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating Voltage Range, VCC | VCC | 3.15 | 16.5 | V | 3 | ||
| Rising Threshold, VONTH | VONTH | 1.26 | 1.3 | 1.34 | V | ON rising | 3 |
| Trip Threshold Hysteresis, VONHYST | VONHYST | 35 | 50 | 65 | mV | 3 | |
| Current Setting Gain, GAINSS | GAINSS | 9.5 | 10 | 10.5 | V/V | VSS/VCB; VSS = 0.5 V to 1 V | 3 |
| Overcurrent Limit Threshold, VLIM | VLIM | 97 | 100 | 103 | mV | VLIM = (VCC − VSENSE), closed-loop regulation to a current limit | 3 |
| Drive Voltage, VGATE | VGATE | 3 | 6 | 9 | V | VGATE − VCC, VCC = 3.15 V | 3 |
| Drive Voltage, VGATE | VGATE | 9 | 11 | 13 | V | VGATE − VCC, VCC = 5 V | 3 |
| Drive Voltage, VGATE | VGATE | 7 | 10 | 13 | V | VGATE − VCC, VCC = 16.5 V | 3 |
| Pull-Up Current, GATE | 8 | 12.5 | 17 | µA | VGATE = 0 V | 3 | |
| Pull-Up Current (Power-On Reset), ITIMERUPPOR | ITIMERUPPOR | -3.5 | -5 | -6.5 | µA | Initial cycle, VTIMER = 1 V | 3 |
| Pull-Up Current (Fault Mode), ITIMERUPFAULT | ITIMERUPFAULT | -40 | -60 | -80 | µA | During current fault, VTIMER = 1 V | 3 |
| Trip Threshold High, VTIMERH | VTIMERH | 1.26 | 1.3 | 1.34 | V | TIMER rising | 3 |
| Trip Threshold Low, VTIMERL | VTIMERL | 0.175 | 0.2 | 0.225 | V | TIMER falling | 3 |
| Set Address to 01, RADRLOWZ | RADRLOWZ | 135 | 150 | 165 | kΩ | Resistor to ground state, load pin with specified resistance for 01 decode | 3 |
| Set Address to 11, VADRHIGHV | VADRHIGHV | 2 | 5.5 | V | High state | 3 | |
| Input Current for 11 Decode, IADRHIGH | IADRHIGH | 3 | 10 | µA | VADR = 2.0 V to 5.5 V | 3 | |
| Input Current, IINON | IINON | -100 | 100 | nA | ON < 1.5 V | 3 | |
| Input Current, IINON | IINON | -2 | 2 | µA | 3 | ||
| Input Leakage, ISENSE | ISENSE | -1 | 1 | µA | VSENSE = VCC | 3 | |
| Current Sense Absolute Accuracy | -1.45 | 1.45 | % | 0°C to +70°C, VSENSE = 75 mV | 4 | ||
| Current Sense Absolute Accuracy | -1.8 | 1.8 | % | 0°C to +70°C, VSENSE = 50 mV | 4 | ||
| Current Sense Absolute Accuracy | -2.8 | 2.8 | % | 0°C to +70°C, VSENSE = 25 mV | 4 | ||
| Current Sense Absolute Accuracy | -5.7 | 5.7 | % | 0°C to +70°C, VSENSE = 12.5 mV | 4 | ||
| Current Sense Absolute Accuracy | -1.5 | 1.5 | % | 0°C to +85°C, VSENSE = 75 mV | 4 | ||
| Current Sense Absolute Accuracy | -2.95 | 2.95 | % | 0°C to +85°C, VSENSE = 25 mV | 4 | ||
| Current Sense Absolute Accuracy | -6.1 | 6.1 | % | 0°C to +85°C, VSENSE = 12.5 mV | 4 | ||
| Current Sense Absolute Accuracy | -1.95 | 1.95 | % | -40°C to +85°C, VSENSE = 75 mV | 4 | ||
| Current Sense Absolute Accuracy | -2.45 | 2.45 | % | -40°C to +85°C, VSENSE = 50 mV | 4 | ||
| Current Sense Absolute Accuracy | -3.85 | 3.85 | % | -40°C to +85°C, VSENSE = 25 mV | 4 | ||
| Current Sense Absolute Accuracy | -6.7 | 6.7 | % | -40°C to +85°C, VSENSE = 12.5 mV | 4 | ||
| Voltage Sense Accuracy | -0.85 | 0.85 | % | 0°C to +70°C, VCC = 3 V minimum (low range) | 4 | ||
| Voltage Sense Accuracy | -0.9 | 0.9 | % | 0°C to +70°C, VCC = 6 V minimum (high range) | 4 | ||
| Voltage Sense Accuracy | -1.15 | 1.15 | % | -40°C to +85°C, VCC = 6 V minimum (high range) | 4 | ||
| Input Current, II, on SDA/SCL When Not Driving a Logic Low Output | II | -10 | 10 | µA | 4 | ||
| Fast Overcurrent Response Time | 4 | 10 | µs | Guaranteed by design; not production tested | 4 | ||
| VCC Pin | 20 | V | 5 | ||||
| SENSE Pin | 20 | V | 5 | ||||
| TIMER Pin | -0.3 | 6 | V | 5 | |||
| ON Pin | -0.3 | 20 | V | 5 | |||
| SS Pin | -0.3 | 6 | V | 5 | |||
| GATE Pin | 30 | V | 5 | ||||
| SDA Pin, SCL Pin | -0.3 | 7 | V | 5 | |||
| ADR Pin | -0.3 | 6 | V | 5 | |||
| Storage Temperature Range | -65 | 125 | °C | 5 | |||
| Operating Temperature Range | -40 | 85 | °C | 5 | |||
| Lead Temperature (Soldering, 10 sec) | 300 | °C | Soldering, 10 sec | 5 | |||
| Junction Temperature | 150 | °C | 5 | ||||
| Thermal Resistance, θJA, 10-Lead MSOP | θJA | 137.5 | °C/W | Worst-case, device soldered in circuit board | 5 |
CAD (KiCad official)
- Symbol:
ADM1177-1ARMZ-R7 - Footprint:
Package_SO:MSOP-10_3x3mm_P0.5mm - 3D model: MSOP-10 (KiCad packages3D, STEP)
- 3D model files:
adm1177-1armz-r7-etched.step/adm1177-1armz-r7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);adm1177-1armz-r7.step/adm1177-1armz-r7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (24 pp, sha256
9bf7006e0070cb29, retrieved 2026-10-28, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).